Hypersonic Technology Vehicle HTV-2 Lockheed Martin Skunk Works / DARPA Medal or Challenge Coin
It is 2 inches in diameter. Defense Advanced Research Development Agency (DARPA).
Jump to search Hypersonic Technology Vehicle HTV-2 reentry (artist's impression) Hypersonic Technology Vehicle 2 (HTV-2) is an experimental hypersonic glide vehicle developed as part of the DARPA Falcon Project capable of flying at 13,000 mph (Mach 17.53, 21,000 km/h). It is a test bed for technologies to provide the United States with the capability to reach any target in the world within one hour (Prompt Global Strike) using an unmanned hypersonic bomber aircraft.