ALV X-1 was to be a sounding rocket flight of a vehicle developed by Alliant Techsystems called the ATK Launch Vehicle (ALV). The rocket carried the SOAREX-VI and Hy-BoLT experiments as payloads. The flight was launched at 09:10 GMT on August 22, 2008, and then the rocket was intentionally destroyed 20 seconds into flight after veering too far off course. Launch occurred from LP-0B at the Mid-Atlantic Regional Spaceport (MARS) at NASA's Wallops Flight Facility.