The two petitioner labor unions represented marine engineers employed on the Great Lakes and elsewhere. Respondents owned and operated a fleet of bulk cargo vessels on the Great Lakes, and the marine engineers employed by them were not represented by any union. In a suit brought by respondents, a State Court enjoined peaceful picketing and other activities by the petitioner unions of a kind arguably prohibited by 8 (b) of the National Labor Relations Act, as amended, if the petitioner unions were "labor organizations" within the contemplation of 8 (b). Although it was shown from recent decisions of the National Labor Relations Board involving these unions that the Board was of the opinion that they were such "labor organizations," the State Court held that they were not, on the ground that only "supervisory" personnel were involved in the dispute. Held: The dispute was arguably within the jurisdiction of the National Labor Relations Board, and, therefore, the State Court was precluded from exercising jurisdiction. San Diego Building Trades Council v. Garmon, 359 U.S. 236 . Pp. 174-185.
Lee Pressman argued the cause for petitioners. With him on the briefs was Richard H. Markowitz.
Raymond T. Jackson argued the cause for respondents. With him on the briefs was James P. Garner.
MR. JUSTICE STEWART delivered the opinion of the Court.
In San Diego Building Trades Council v. Garmon, 359 U.S. 236 , this Court held that the proper administration of the federal labor law requires state courts to relinquish jurisdiction not only over those controversies actually found to be within the jurisdiction of the National Labor Relations Board, but also over litigation arising from activities which might arguably be subject to that agency's cognizance. Only such a rule, the Court held, will preserve for the Labor Board its congressionally delegated function of deciding what is and what is not within its domain. 1 In the present case the Supreme Court of Minnesota held that the petitioners, Marine Engineers Beneficial Association (MEBA) and its Local 101, were not "labor organizations" within the meaning of 8 (b) of the Labor Management Relations Act, 29 U.S.C. 158 (b), and therefore not subject to the unfair labor practice provisions of that section of the statute. Accordingly, the court held that a state trial court had not erred in assuming jurisdiction over a labor dispute involving MEBA and Local 101, and in permanently enjoining them [370 U.S. 173, 175] from picketing found to be in violation of state law. 260 Minn. 1, 108 N. W. 2d 627. We granted certiorari, 368 U.S. 811 , to consider an asserted conflict between the Minnesota court's decision and our holding in the Garmon case.
The essential facts which gave rise to this controversy are not in dispute. The respondents owned and operated a fleet of bulk cargo vessels on the Great Lakes. MEBA and Local 101 were unions which represented marine engineers employed on the Great Lakes and elsewhere. 2 The marine engineers employed by the respondents were not represented by MEBA or any other union.
On November 11, 1959, the respondents' vessel, Samuel Mather, arrived at the dock of the Carnegie Dock and Fuel Company in Duluth, Minnesota. The following morning several members of Local 101 began to picket at the only entrance road to the Carnegie dock. They carried signs which read: "Pickands Mather Unfair to Organized Labor. This Dispute Only Involves P-M. M. E. B. A. Loc. 101 AFL-CIO." and "M. E. B. A. Loc. 101. AFL-CIO. Request P-M Engineers to Join with Organized Labor to Better Working Conditions. This Dispute Only Involves P-M." When the pickets appeared, employees of the Carnegie Dock and Fuel Company refused to continue unloading the Samuel Mather. As a result, the ship was forced to remain at the dock, and another of the respondents' steamers, the Pickands, was compelled to ride at anchor outside the harbor for a number of days, because the Carnegie dock could accommodate but one vessel at a time. [370 U.S. 173, 176]
Upon learning of the picket line, the respondents filed a complaint in the state court charging the union with several violations of state law. The complaint alleged, among other things, that the petitioners had induced Carnegie's employees to refuse to perform services, and that the petitioners had thus caused Carnegie to breach its contract with the respondents. The petitioners filed a motion to dismiss the complaint, claiming that the dispute was arguably subject to the jurisdiction of the National Labor Relations Board and thus, under the Garmon doctrine, beyond the state court's cognizance. 3 Evidence was taken concerning the nature and effect of the picketing, the employment status of respondents' marine engineers, and, to a limited extent, the characteristics of MEBA and Local 101. The trial court concluded that the dispute was within its jurisdiction, and, finding the picketing to be in violation of Minnesota law, it issued a temporary injunction prohibiting the petitioners from picketing at or near any site where the respondents' vessels were loading or unloading, from inducing other employees or other firms not to perform services for the respondents, and from interfering in other specified ways with the respondents' operations. The injunction was later made permanent on the basis of the same record, and the court's judgment was affirmed on review by the Supreme Court of Minnesota.
The Garmon case dealt with rules of conduct - whether certain activities were protected by 7 or prohibited by 8 of the Act. In the present case it has hardly been disputed, nor could it be, that the petitioners' conduct was of a kind arguably prohibited by 8 (b) (4) (A) of the Act and thus within the primary jurisdiction of the Board, if MEBA and Local 101 were "labor organizations" [370 U.S. 173, 177] within the contemplation of 8 (b) generally. 4 The Minnesota courts determined, however, that those whom the petitioners represented and sought to enlist were "supervisors," that consequently neither of the petitioners was a "labor organization," and therefore that nothing in the Garmon doctrine precluded a state court from assuming jurisdiction.
It is the petitioners' contention that the issue to be determined in this case is not whether the state courts correctly decided their "labor organization" status, but whether the state courts were free to finally decide that issue at all. The petitioners contend that the principles of the Garmon decision confined the state court to deciding [370 U.S. 173, 178] only whether the evidence in this case was sufficient to show that either of them was arguably a "labor organization" within the contemplation of 8 (b). We agree, and hold that the evidence was sufficient to deprive the Minnesota courts of jurisdiction over this controversy.
We see no reason to assume that the task of interpreting and applying the statutory definition of a "labor organization" does not call for the same adjudicatory expertise that the Board must bring to bear when it determines the applicability of 7 and 8 of the Act to substantive conduct. Indeed, analysis of the problem makes clear that the process of defining the term "labor organization" is one which may often require the full range of Board competence.
The term "labor organization" is defined by 2 (5) of the Act, which says:
The considerations involved in answering these questions are largely of a kind most wisely entrusted initially to the agency charged with the day-to-day administration of the Act as a whole. The term "labor organization" appears in a number of sections of the Act. Section 8 (a) (2), for example, forbids employers to "dominate or interfere with the formation or administration of any labor organization or contribute financial or other support to it . . . ." 29 U.S.C. 158 (a) (2). Section 8 (a) (3) makes it an unfair labor practice for an employer, by certain discriminatory conduct, "to encourage or discourage membership in any labor organization . . . ." 29 U.S.C. 158 (a) (3). Section 9 (c), dealing with the largely [370 U.S. 173, 181] unreviewable area of representation elections, 11 refers repeatedly to both "employees" and "labor organizations." The policy considerations underlying these and other sections of the Act, and the relationship of a particular definitional approach under 8 (b) to the meaning of the same term in the various sections, must obviously be taken into account if the statute is to operate as a coherent whole. 12 A centralized adjudicatory process is also essential in working out a consistent approach to the status of the many separate unions which may represent interrelated occupations in a single industry. 13 Moreover, as the national agency charged with the administration of federal labor law, the Board should be free in the first instance to consider the whole spectrum of possible approaches to the question, ranging from a broad definition of "labor organization" in terms of an entire union to a narrow case-by-case consideration of the issue. Only the Board can knowledgeably weigh the effect of either choice upon the certainty and predictability of labor management relations, or assess the importance of simple administrative convenience in this area. 14 [370 U.S. 173, 182]
For these reasons we conclude that the task of determining what is a "labor organization" in the context of 8 (b) must in any doubtful case begin with the National Labor Relations Board, and that the only workable way to assure this result is for the courts to concede that a union is a "labor organization" for 8 (b) purposes whenever a reasonably arguable case is made to that effect. Such a case was made in the Minnesota courts.
There persuasive evidence was introduced to show that all the marine engineers employed by the respondents were in fact supervisors. 15 It was also shown that MEBA had steadfastly maintained in proceedings before the NLRB that it was not a labor organization subject to 8 (b) of the Act. 16 However, the petitioners introduced into the record two recent Board decisions, one holding [370 U.S. 173, 183] that MEBA was subject to 8 (b) and was guilty of an unfair labor practice for engaging in an activity similar to that involved in this case, 17 and the other holding that marine engineers represented by a branch of Local 101 were "employees" for the purpose of a 9 (c) election. 18 The Board's order in the first case was enforced by the Court of Appeals for the Second Circuit on January 13, 1960, during the pendency of the present litigation in the Minnesota trial court. 19 The state court's attention was expressly called to the Board's theory, subsequently adopted by the Court of Appeals for the Second Circuit, that the relevant unit of membership for determining what is a labor organization in a 8 (b) context is the entire union, and to the holding that the known membership of a few "employees," provisions in the union's constitution making membership available to "employees," and previous conduct indicative of "employee" representation were sufficient to render the national union a "labor organization." See 121 N. L. R. B., at 209-210; 274 F.2d ___, at 174-175. Three additional District Court decisions expressly holding that the Board had reasonable cause to believe that MEBA or Local 101 was subject to 8 (b) had been decided before the issuance of the Minnesota trial court's judgment in the present litigation, although the record does not show that these were specifically brought to the court's attention. 20 [370 U.S. 173, 184]
This was a case, therefore, where a state court was shown not simply the arguable possibility of Labor Board jurisdiction over the controversy before it, but that the Board had actually determined the underlying issue upon which its jurisdiction depended, i. e., that MEBA was a "labor organization" for purposes of 8 (b) of the Act. In the absence of a showing that this position had been authoritatively rejected by the courts, 21 or abandoned by the Labor Board itself, we hold that it was the duty of the state court to defer to the Board's determination. 22 [370 U.S. 173, 185]
The need for protecting the exclusivity of NLRB jurisdiction is obviously greatest when the precise issue brought before a court is in the process of litigation through procedures originating in the Board. While the Board's decision is not the last word, it must assuredly be the first. In addition, when the Board has actually undertaken to decide an issue, relitigation in a state court creates more than theoretical danger of actual conflict between state and federal regulation of the same controversy. 23 "Our concern" here, as it was in the Garmon case, 359 U.S., at 246 , "is with delimiting areas . . . which must be free from state regulation if national policy is to be left unhampered."
[ Footnote 2 ] The record shows that Local 101 was hardly a "local" in the conventional sense of that term. It had branch offices not only throughout the Great Lakes area, but also in Brooklyn, San Francisco, and Houston, among other places, and there were "approximately 35 to 40 locals in 101; some are very small, some are very large."
[ Footnote 3 ] Potential NLRB jurisdiction under 8 (b) is the only basis upon which the petitioners have claimed preemption of state court jurisdiction. See note 4, infra.
[ Footnote 4 ] On November 12, 1959, the day the picketing began, 8 (b) (4) (A) provided as follows:
We express no opinion on the ultimate applicability of these provisions. Compare Sailors' Union of the Pacific (Moore Dry Dock Co.), 92 N. L. R. B. 547, with National Maritime Union (Standard Oil Co.), 121 N. L. R. B. 208, enforced, 274 F.2d 167. See generally, Local 761, Electrical Workers v. Labor Board, 366 U.S. 667 .
[ Footnote 5 ] The decision of Congress to forego regulation of labor relations between employers and their supervisory personnel was the product [370 U.S. 173, 179] of experience under the National Labor Relations Act of 1935. The Board's assumption of jurisdiction over supervisors under the 1935 Act was approved by this Court in Packard Motor Car Co. v. Labor Board, 330 U.S. 485 . Congress passed the 1947 Act shortly thereafter, explicitly stating its purpose to free employers from compulsion to treat supervisory personnel as employees for the purpose of collective bargaining or organizational activity. S. Rep. No. 105, 80th Cong., 1st Sess., pp. 3-5, 28; H. R. Rep. No. 245, 80th Cong., 1st Sess., pp. 13-17.
[ Footnote 6 ] Compare, e. g., Globe Steamship Co. (Great Lakes Engineers Brotherhood), 85 N. L. R. B. 475, with National Maritime Union (Standard Oil Co.), 121 N. L. R. B., at 209-210, and Graham Transp. Co. (Brotherhood of Marine Engineers), 124 N. L. R. B. 960. See generally, Labor Board v. Brown & Sharpe Mfg. Co., 169 F.2d 331; Labor Board v. Edward G. Budd Mfg. Co., 169 F.2d 571; Ohio Power Co. v. Labor Board, 176 F.2d 385; Labor Board v. Quincy Steel Casting Co., 200 F.2d 293. Summarizing the many federal court decisions in this area, the Court of Appeals for the First Circuit recently said, ". . . the gradations of authority `responsibly to direct' the work of others from that of general manager or other top executive to `straw boss' are so infinite and subtle that of necessity a large measure of informed discretion is involved in the exercise by the Board of its primary function to determine those who as a practical matter fall within the statutory definition of a `supervisor.'" Labor Board v. Swift & Co., 292 F.2d 561, 563.
[ Footnote 7 ] See Labor Board v. Edward G. Budd Mfg. Co., supra, n. 6; International Brotherhood of Teamsters (Di Giorgio Wine Co.), 87 N. L. R. B. 720, enforced, 89 U.S. App. D.C. 155, 191 F.2d 642.
[ Footnote 8 ] See, e. g., National Marine Engineers Beneficial Assn. v. Labor Board, 274 F.2d 167, 173; International Organization of Masters, Mates & Pilots (Chicago Calumet Stevedoring Co.), 125 N. L. R. B. 113, 131-132.
[ Footnote 9 ] See, e. g., International Organization of Masters, Mates & Pilots v. Labor Board, 48 L. R. R. M. 2624 (C. A. D.C. Cir. 1960).
[ Footnote 10 ] Compare International Brotherhood of Teamsters (Di Giorgio Wine Co.), 87 N. L. R. B., at 721, 743, with National Maritime Union (Standard Oil Co.), 121 N. L. R. B., at 210.
[ Footnote 12 ] Cf. International Brotherhood of Teamsters (Di Giorgio Wine Co.), 87 N. L. R. B., at 741.
[ Footnote 13 ] Cf. Globe Steamship Co. (Great Lakes Engineers Brotherhood), 85 N. L. R. B., at 478, 480.
[ Footnote 14 ] See National Marine Engineers Beneficial Assn. v. Labor Board. 274 F.2d, at 175, where it was said:
[ Footnote 15 ] The trial court relied, in part, upon the 1949 Labor Board decision in Globe Steamship Co., supra, n. 6, which held that certain marine engineers employed on Great Lakes vessels, including those of respondents, were "supervisors" for the purpose of a 9 (c) election petition.
[ Footnote 16 ] Respondents introduced an affidavit, filed by MEBA in a prior NLRB proceeding, in which the union claimed to represent only supervisors. This is the affidavit quoted in note 1 of the dissenting opinion, post, p. 185. But, as petitioners pointed out, the Board concluded then, and has continued of the view, that petitioners are "labor organizations" despite such assertions.
The petitioners did not attempt to introduce specific evidence in the state court to prove that they actually represented employees who were not supervisors. Indeed, the record would seem to indicate that MEBA and Local 101 would ultimately prefer to be classified as supervisory unions outside the ambit of 8 of the Federal Act. The actual assertion of NLRB jurisdiction over these unions, however, at the very time the state court action was pending, was more than sufficient to create an arguable case for NLRB jurisdiction under 8. It would be entirely inconsistent with our holding in Garmon to require the unions affirmatively to abandon in the state court the position they wished to maintain before the NLRB. It would be equally inconsistent to give evidentiary weight to union affidavits dredged up from prior NLRB proceedings in which the Board rejected the union's self-characterizing claims.
[ Footnote 17 ] National Maritime Union (Standard Oil Co.), supra, n. 4.
[ Footnote 18 ] Graham Transp. Co. (Brotherhood of Marine Engineers), supra. n. 6. An official of Local 101 testified on direct examination that the Brotherhood of Marine Engineers "was merged in our local" on May 29, 1959.
[ Footnote 19 ] National Marine Engineers Beneficial Assn. v. Labor Board, supra, n. 8.
[ Footnote 20 ] Schauffler v. Local 101, Marine Engineers Ben. Assn., 180 F. Supp. 932; Penello v. Seafarers' International Union, 40 L. R. R. M. 2180 (D.C. E. D. Va., 1957); Douds v. Seafarers' International Union, 148 F. Supp. 953.
[ Footnote 21 ] The trial court noted that the Court of Appeals for the Second Circuit had determined that MEBA was not a "labor organization" within the meaning of 301 of the federal statute. A. H. Bull Steamship Co. v. National Marine Eng. B. Assn., 250 F.2d 332. This case was subsequently distinguished by the Second Circuit in a case under 8 (b), National Marine Engineers Beneficial Assn. v. Labor Board, supra, n. 8, and in United States v. National Marine Engineers' Ben. Assn., 294 F.2d 385. Subsequent to the trial court's decision in the present case the Court of Appeals for the District of Columbia Circuit ordered the NLRB to take additional evidence and to reconsider its determination of a similar maritime union's status as a "labor organization." International Organization of Masters, Mates & Pilots v. Labor Board, supra, n. 9. At the most these court decisions would only serve to cast some doubt on the validity of the Board's determination. But even if the doubt were much more substantial, the Garmon doctrine would require a state court to decline jurisdiction of the controversy.
[ Footnote 22 ] To distinguish the several NLRB decisions on the ground that each involved marine engineers whose jobs were unlike those of the respondents' engineers, as the Minnesota courts sought to do, is inconsistent with all that Garmon teaches. Such a distinction can be made only on the assumption that the relevant unit in determining what is a "labor organization" for purposes of 8 (b) is no more than the group of employees involved in the then-pending dispute. The validity of this very assumption is currently being litigated before the Labor Board and reviewing courts. Far from having been authoritatively accepted, this limited view of the relevant unit has at least twice been expressly rejected. National Marine Engineers Beneficial Assn. v. Labor Board, 274 F.2d, at 173, enforcing 121 N. L. R. B. 208; International Organization of Masters, Mates & Pilots (Chicago [370 U.S. 173, 185] Calumet Stevedoring Co.), 125 N. L. R. B., at 131-132, remanded for reconsideration on other grounds, 48 L. R. R. M. 2624 (C. A. D.C. Cir. 1960).
[ Footnote 23 ] Illustrative of this danger is a recent Federal District Court decision granting an application by a Regional Director of the Board for a temporary injunction against Local 101 prohibiting organizational activity similar to that involved in the present case. Schauffler v. Local 101, Marine Engineers Ben. Assn., supra, n. 20. See also other cases cited, n. 20, supra.
MR. JUSTICE DOUGLAS, dissenting.
While I agree with the principles announced by the Court, I disagree with the result that is reached on the facts of this case. The record contains an affidavit of the President of this union, the Marine Engineers Beneficial Association (MEBA), which states that all members of the union, including the local involved in this case, perform supervisory functions. 1 [370 U.S. 173, 186]
An officer of MEBA testified:
The trial court in this case said that the record "does not show" that this MEBA Local "admits to membership any non-supervisory employee, and in any event it is clear that its membership is composed primarily and almost exclusively of supervisors." That finding is not challenged here. Petitioners, placing all their hopes on the words of the trial court that this local is composed "primarily and almost exclusively of supervisors," say it may therefore be arguably and reasonably contended that the local is a labor organization within the meaning of the Act.
Section 2 (5) defines "labor organization" as any organization "in which employees participate" for the purpose "of dealing with employers concerning grievances," etc.
The word "employee" was redefined by Congress 3 following our decision in Packard Co. v. Labor Board, 330 U.S. 485 , so as to exclude "any individual employed as a supervisor." 2 (3). And 14 (a) provides that "Nothing herein shall prohibit any individual employed as a supervisor from becoming or remaining a member of a labor organization, but no employer subject to this Act shall be compelled to deem individuals defined herein as supervisors as employees for the purpose of any law, either national or local, relating to collective bargaining." [370 U.S. 173, 188]
There is not a shred of evidence in this record showing that any employee not a supervisor is a member of this union. There is therefore not a shred of evidence to show that this local of MEBA is a "labor organization." Since there is not, it has made no showing that it is entitled to any of the protections of the Federal Act. Such a showing is within its power to make. It apparently claims to be a "labor organization" when it is to its advantage to do so and protests against being so labeled when that position serves its end. 4
If it desires the protection of the Federal Act, it should be required to come forth with evidence showing who its members are. In absence of such a showing, we should not disturb the rulings of the Minnesota courts, which on this record were fully justified in enjoining the picketing. It was indeed conceded by counsel for MEBA at the trial that the purpose of the picketing was "to improve the wages, hours and working conditions" of the "licensed engineers," not the wages, hours and working conditions of those few undisclosed individuals who it is now intimated may have been members of the union.
Since this local is not on this record a "labor organization," it does not come within the purview of 8 (b) (2) or 8 (b) (4), which makes certain practices, alleged to have taken place here, unfair labor practices. For 14, quoted above, returned supervisors to the basis which they enjoyed prior to the Federal Act. Bull S. S. Co. v. National Marine Eng. B. Assn., 250 F.2d 332. [370 U.S. 173, 189]
It matters not that at other times this local or MEBA may have been a "labor organization" for purposes of the Federal Act. 5 Apparently an engineer may at times be only an ordinary employee. 6 So for one operation this local may have members doing the work of nonsupervisory employees. Whether its status would therefore change from day-to-day or week-to-week might be presented in some case. It is not presented here, for, on a record showing only supervisors among the membership list, the union has no claim to shelter under the Federal Act.
[ Footnote 1 ] "I can state most categorically that licensed marine engineers who comprise the entire members of MEBA, without a single exception in the nature of their work, have authority in the interests of the employer [370 U.S. 173, 186] for whom they may be working to hire, transfer, suspend, lay off, recall, promote, discharge, fine, reward or discipline the unlicensed personnel who work in the engine department, over which the licensed engineers have supervision or responsibility to direct such unlicensed personnel in the engine department or adjust the grievances of the unlicensed personnel in the engine department, or to effectively recommend any such action. In furtherance of their duties, licensed engineers do not exercise the authority just described merely as a routine or clerical nature, but they must exercise the use of independent judgment. Every single member of MEBA performs work of the nature which I have just described. The type of marine personnel over whom the MEBA assumes jurisdiction and takes in as members, is precisely that which I have just described. We do not have any members who do not fall within such description, insofar as their duties and responsibilities are concerned."
[ Footnote 2 ] The findings state: "All engineers and assistant engineers employed on Interlake vessels stand watches during which they are in charge of and responsible for the operation and condition of the vessel's propulsion mechanism and responsibly direct, control and supervise the work of the firemen, oilers and coal passers on duty during such watch; they hire, fire, transfer and change the status of and discipline the persons working under them and have authority to and do make effective recommendations respecting the employment and tenure of employment of the people working under them; they handle initially grievances of the employees who are subject to their supervision; the exercise [370 U.S. 173, 187] of authority by the engineers and assistant engineers requires the use of independent judgment and discretion; and all such engineers are required to be licensed by the United States Coast Guard."
[ Footnote 3 ] See H. R. Rep. No. 245, 80th Cong., 1st Sess., p. 23; S. Rep. No. 105, 80th Cong., 1st Sess., p. 28.
[ Footnote 4 ] Cf. with the decision below the contentions of MEBA in National Marine Engineers Ben. Assn. v. Labor Board, 274 F.2d 167, 170 ("MEBA says its membership is composed exclusively of supervisors") and Schauffler v. Local 101, Marine Engineers Ben. Assn., 180 F. Supp. 932, 935 (where the local involved in the present case argued that it was not a labor organization within the meaning of the Act). In National Organization of Masters, Mates, and Pilots of America, et al., 116 N. L. R. B. 1787, MEBA admitted it was a "labor organization" within the meaning of the Act.
[ Footnote 5 ] The finding of the Labor Board in National Marine Engineers Ben. Assn. v. Labor Board, 274 F.2d 167, that MEBA was a "labor organization" turned on a narrow procedural point mentioned by the Court of Appeals: "MEBA and MMP know who their members are and, if they do not know what their members do, certainly they can find out. The Board could properly have thought that the matters placed in the record by the general counsel justified an inference that non-supervisors do participate in MEBA and MMP, and that this sufficed for the Board's finding to that effect unless they were rebutted by more convincing evidence than the unions offered here. We therefore cannot say the Board's finding that MEBA and MMP were labor organizations did not meet the standards laid down in Universal Camera Corp. v. N. L. R. B., 1951, 340 U.S. 474, 71 S. Ct. 456, 95 L. Ed. 456." 274 F.2d, at 175.
[ Footnote 6 ] See National Marine Engineers Ben. Assn. v. Labor Board, 274 F.2d 167, 172-173: "The Board's general counsel did not dispute that two of the three engineers on the Franklin D. Roosevelt, the chief engineer and the relief chief engineer, were supervisors; but there was much argument whether the third should be so considered since he exercised supervisory duties only when neither the chief engineer nor the relief chief engineer was about. See N. L. R. B. v. Quincy Steel Casting Co., 1st Cir., 1952, 200 F.2d 293. The general counsel claimed that at least one of the engineers on the Sandra Marie could not have been a supervisor since he had no one to supervise. See General Foods Corp., 110 N. L. R. B. 1088 (1954). MEBA disputed this, as well as the contention relating to the third engineer on the Franklin D. Roosevelt, claiming that these engineers were qualified and on these ships normally would have someone to supervise." [370 U.S. 173, 190]