The Aero Spacelines B-377PG Pregnant Guppy was an American transport aircraft first flown in 1962, and developed by modifying a Boeing Stratocruiser (Boeing Model 367 Stratofreighter C-97 variation) and designed for transporting large booster rockets and the like for the Apollo space program. The Aero Spacelines B-377PG Pregnant Guppy carried a payload of 14,970 kg and had a normal cruising speed of 402 kmh. Research B-377PG
 
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