Santa Monica lifeguards, 1952
Caption slip reads: "Photographer: Gaze. Date: 1952-06-09. Assignment: S.M. lifeguards. 36: Santa Monica lifeguard Lieut. Frank McMahon uses rescue jeep's newest radio equipment to talk to (1) radio equipped lifeguard power rescue boat on emergency call and (2) lifeguard headquarters station (extreme right end of pier). Santa monica is the only guard station on the coast with its own frequency, assigned by the Federal Communication Commission".