Hypersonic Technology Vehicle HTV-2 Lockheed Martin Skunk Works / DARPA Medal or Challenge Coin Navy Flight parameters were very tight

Flight parameters were very tight

We have a very limited number remaining of this medal which is already more than a half a century old

This coin is 1 5/8 inches wide by 2 inches high with hard baked enamel

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military personnel killed

Hypersonic Technology Vehicle HTV-2 Lockheed Martin Skunk Works / DARPA Medal or Challenge Coin Navy Flight parameters were very tightIt 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).[1][2] It is a test bed for technologies to provide the United States with the capability to reach any