Hypersonic Technology Vehicle HTV-2 Lockheed Martin Skunk Works / DARPA Medal or Challenge Coin Navy Cyclone served as the test

Cyclone served as the test bed for this series of 14 vessels

Flight parameters were very tight

military personnel killed

Very seldom if ever seen for sale

Hypersonic Technology Vehicle HTV-2 Lockheed Martin Skunk Works / DARPA Medal or Challenge Coin Navy Cyclone served as the testIt 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