What follows is an opinion from the Supreme Court of the United States. Your task is to identify the court whose decision the Supreme Court reviewed. If the case arose under the Supreme Court's original jurisdiction, note the source as "United States Supreme Court". If the case arose in a state court, note the source as "State Supreme Court", "State Appellate Court", or "State Trial Court". Do not code the name of the state.

Opinion:
UNITED STEELWORKERS OF AMERICA v. UNITED STATES et al.
No. 504.
Argued November 3, 1959.
Decided November 7, 1959.
. Arthur 3. Goldberg argued the - cause for petitioner. With him on the brief were David E. Feller and Bernard Dunau.
Solicitor General Rankin argued the cause for the United States. With him on the brief were Attorney General Rogers, Assistant Attorney General Doub, Wayne G. Barnett, Samuel D. Slade, Seymour Farber and Herbert E. Morris-.
Per Curiam.
The Attorney General sought and obtained in the District Court for the Western District of Pennsylvania an injunction against the continuation of an industry-wide strike of workers in the basic steel industry pursuant to § 208 of the Labor Management Relations Act, 1947, 61 Stat. 155, 29 U. S. C. § 178. We granted certiorari, post, p. 878, to review the judgment of the Court of Appeals for the Third Circuit, 271 F. 2d 676, affirming the District Court. In pertinent part, § 208 provides that if the District Court—
“finds that ... [a] threatened or.actual strike or lock-out—
“ (i) affects an entire industry or a substantial part thereof engaged in trade, commerce, transportation, transmission, or communication among the several States or with foreign nations, or engaged-in the production of goods for commerce; and "
“(ii) if permitted to occur or to continue, will imperil the national health or safety, it-shall have jurisdiction to enjoin-any such strike or lock-out, or the continuing thereof, and to make such other orders . as may be appropriate.”
The arguments of the parties here and in the lower courts have addressed themselves in considerable part to the propriety of the District Court’s exercising its equitable jurisdiction to enjoin the strike in question once the findings set forth above had been made. These argument's have ranged widely into broad issues óf national labor policy, the availability of other remedies to the Executive, the effect of a labor injunction on the collective bargaining process, consideration of the conduct of the parties to the labor dispute in their negotiations, and conjecture as to the course of those negotiations in the future. We do not believe that Congress in passing the statute intended that the issuance of injunctions should depend upon judicial inquiries of this nature. Congress was not concerned with the merits of the parties’/ positions or the conduct of their negotiations. Its basic purpose seems to have been to see that vital production should be resumed or continued for a time while further efforts were made to settle the dispute. To carry out its purposes, Congress carefully surrounded the injunction proceedings with "detailed procedural devices and limitations. The public report of a board of inquiry, the exercise of political and executive responsibility personally by the President in directing' the commencement of injunction proceedings, the-statutory provisions looking toward an adjustment of the dispute during the injunction’s pendency, and the limited duration of the injunction, represent a- congressional determination of policy factors involved in the difficult problem of national emergency strikes. This congressional determination of the policy factors is of course binding on the courts.
The statute imposes upon the courts the duty of finding, upon the evidence adduced, whether a strike or lockout meets the statutory conditions of breadth of involvement and peril to the national health or safety. We have accordingly reviewed the-concurrent findings of the two lower courts. Petitioner here contests the findings that the continuation of the strike would imperil the national health and safety. The parties dispute the meaning of the statutory term “national health”; the Government insists that the term comprehends the country’s general well-being, its economic health; petitioner urges that simply the physical health of the citizenry is meant. We need not resolve this question, for we think the judgment below is amply supported on the ground that the strike imperils the national safety. Here we rely upon the evidence of the strike’s effect on specific defense projects; we need not pass on the Government’s contention that “national safety” in this context should be given a broader, construction and application. .
The petitioner suggests that a .selective reopening of some of the steel mills would suffice to fulfill specific defense needs. The statute was designed to provide a ■ public remedy in times of emergency; we cannot construe it to require that the United States either formulate a reorganization of the affected industry to satisfy its defense needs without the complete reopening of closed facilities, or demonstrate in court the unfeasibility of such a reorganization. There is no room in the statute for this requirement which the petitioner seeks to impose on the Government.
We are of opinion that, the provision in question as applied here is not violative of the constitutional limitation prohibiting courts from exercising powers of a legislative or executive nature, powers not capable of being conferred upon a court exercising solely “the judicial power of the United States.” Keller v. Potomac Elec. Power Co., 261 U. S. 428; Federal Radio Comm’n v. General Elec. Co., 281 U. S. 464. Petitioner contends that the statute is constitutionally invalid because it does not set up any standard of lawful or unlawful con-.. duct on the part of labor or management. But the statute does recognize certain rights in the public to have unimpeded for a time production in industries vital to the national health or safety. It makes the United States the guardian of these rights in litigation. Cf. United States v. American Bell Tel. Co., 128 U, S. 315, 370; Sanitary District of Chicago v. United States, 266 U. S. 405. The availability of relief, in the common judicial form of an injunction, depends on findings, of fact, to be judicially made. Of the matters decided judicially, there is no review by other agencies of the Government. Cf. Gordon v. United States, 2 Wall.. 561, 117 U. S. 697. We conclude that the statute entrusts the courts only with the determination of a “case or controversy,” on which the judicial power can operate, not containing any element capable of only legislative or executive determination. We do not find that the termination of the injunction after a specified time, or the machinery established in an attempt to obtain a peaceful settlement of the underlying dispute during the injunction’s pendency, detracts from this conclusion.
The result is that the judgment of the Court of Appeals for the Third Circuit, affirming that of the District Court, is affirmed. Our mandate shall issue forthwith.
It is so ordered.
Mr. Justice Frankfurter and Mr. Justice Harlan: In'joining the Court’s opinion we note our intention to file in due course an amplification of pur views upon the issues involved which- could not be prepared within the time limitations imposed by the necessity of a prompt adjudication in this case.
The evidence in this regard is reflected in the District Court's findings of fact Nos. 15 (a), (b), (c), and (d), as follows:
“(a) Certain items of steel required in top priority military missile programs of the United States, are not made by any mill now operating, nor available from any inventory or from imports. Any further delay in resumption of steel production would result in an irretrievable loss of time in the supply of weapons systems essential to the national defense plans of the United States and its’allies.
“(b) The planned program of space activities under the direction of the National Aeronautics and Space Administration has been delayed by the strike and will be further delayed if it is continued. Specifically, project MERCURY, the nation’s manned satellite program, which has the highest national priority, has been delayed by reason of delay in construction of buildings essential to its opera-, tion. This program is important to the security of the nation.’ Other planned space programs will be delayed or threatened with delay by a continuation of the strike.
“ (c) Nuclear Submarines and the naval shipbuilding program other than submarines, including new construction, modernization, and conversion, have been affected by. reason of the inability to secure boilers, compressors, and other component parts requiring steel. Products of the steel industry are indispensable to the manufacture' of such items and delay in their production will irreparably injure national defense and imperil the national safety.
“(d) Exported steel products’are vital to the support of United States, bases overseas and for the use of NATO allies and similar collective security groups. The steel strike, if permitted to continue, will seriously impair these programs, thus imperiling the national safety.”

Question: What is the court whose decision the Supreme Court reviewed?

Choices:
U.S. Court of Customs and Patent Appeals
U.S. Court of International Trade
U.S. Court of Claims, Court of Federal Claims
U.S. Court of Military Appeals, renamed as Court of Appeals for the Armed Forces
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Answer: 21