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:
Edward LAMB et al., Appellants, v. Rosel H. HYDE et al., Individually and as Members of the Federal Communications Commission, Appellees.
No. 12308.
United States Court of Appeals District of Columbia Circuit.
Argued May 11, 1955.
Decided May 26, 1955.
Mr. Russell Morton Brown, Washington, D. C., with whom Messrs. J. Howard McGrath and Robert J. Norvell, Washington, D. C., were on the brief, for appellants.
Mr. Warren D. Quenstedt, Atty. Federal Communications Commission, with whom Messrs. Warren E. Baker, Gen. Counsel, Federal Communications Commission, J. Smith Henley, Asst. Gen. Counsel, Federal Communications Commission, Harrison, Ark., and Stanley S. Neustadt, Atty., Federal Communications Commission, New York City, were on the brief for appellees.
Mr. Richard A. Solomon, Asst. Gen. Counsel, Federal Communications Commission, also entered an appearance for appellees.
Before WILBUR K. MILLER, BAZE-LON and FAHY, Circuit Judges.
PER CURIAM.
This is an appeal from an order of the District Court denying the appellants’ motion for a preliminary injunction and granting the appellees’ motion to dismiss. We affirm on the ground that appellants have failed to exhaust the prescribed administrative remedy. Myers v. Bethlehem Shipbuilding Co., 1938, 303 U.S. 41, 50-51, 58 S.Ct. 459, 82 L.Ed. 638.
Affirmed.

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: 3