CH-47B (NASA-737) in flight.

CH-47B (NASA-737) in flight with NASA Ames Research Center Hangar in the background.

CH-47B (NASA-737) in flight with NASA Ames Research Center Hangar in the background.

CH-47B (NASA-737) in flight over Moffet Air Field showing rearend.

Boeing CH-47B (USA 66-19138 NASA-737) Chinook in-flight simulator with Moffet Field Navy Hangar and Ames VMS in background. Note: Used in publication in Flight Research at Ames; 57 Years of Development and Validation of Aeronautical Technology NASA SP-1998-3300 fig. 133