The Pan American Airways Boeing 314 California Clipper flies over San Francisco Bay in 1939, on the eve of adopting a new wartime role: as part of the U.S. Navy’s Naval Air Transportation Service (NATS). (©Boeing)
The Pan American Airways Boeing 314 California Clipper flies over San Francisco Bay in 1939, on the eve of adopting a new wartime role: as part of the U.S. Navy’s Naval Air Transportation Service (NATS). (©Boeing)