What follows is an opinion from a United States Court of Appeals. Your task is to identify the federal agency (if any) whose decision was reviewed by the court of appeals. If there was no prior agency action, choose "not applicable".

Opinion:
J. J. WHITE, Inc., Petitioner, v. NATIONAL LABOR RELATIONS BOARD, Respondent.
No. 12293.
United States Court of Appeals Third Circuit.
Argued Jan. 20, 1958.
Decided March 6, 1958.
James D. McCrudden, Philadelphia, Pa., for petitioner.
Franklin C. Milliken, Washington, D. C. (Jerome D. Fenton, Gen. Counsel, Stephen Leonard, Associate Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, Frederick U. Reel, Attorneys, National Labor Relations Board, Washington, D. C., on the brief), for respondent.
Before BIGGS, Chief Judge, KALOD-NER, Circuit Judge, and WRIGHT, District Judge.
PER CURIAM.
An examination of the record in this case and consideration of the briefs and of the oral argument convince us that there is substantial evidence to support the Board’s finding that the petitioner violated Section 8(a) (1) and (2) of the National Labor Relations Act, 29 U.S. C.A. § 158(a) (1,2), that the Board’s procedure was valid and proper, and that a decree should issue enforcing the Board’s order against the petitioner.
Accordingly a decree in the usual form may be submitted.

Question: What federal agency's decision was reviewed by the court of appeals?

Choices:
Benefits Review Board
Civil Aeronautics Board
Civil Service Commission
Federal Communications Commission
Federal Energy Regulatory Commission
Federal Power Commission
Federal Maritime Commission
Federal Trade Commission
Interstate Commerce Commission
National Labor Relations Board
Atomic Energy Commission
Nuclear Regulatory Commission
Securities & Exchange Commission
Other federal agency
Not ascertained or not applicable

Answer: 9