X-43 Hyper-X U.S. Marine Corps approximately 4

approximately 4

it incorporated as standard a chemical hopper and spray/dusting gear

The 345th Medium Bombardment Group

Other distinguishing features included an extra radio antenna in the vertical stabilizer

like the USAF C-47

X-43 Hyper-X U.S. Marine Corps approximately 4NASA X 43 Hyper X airplane model. NASA established a multi year experimental hypersonic ground and flight test program called Hyper X. The program sought to demonstrate "air breathing" engine technologies that promise to increase payload capacity or reduce vehicle size for the same payload for future hypersonic aircraft and or reusable space launch vehicles. Payload capacity was to be increased by discarding the heavy oxygen tanks that rockets must