A closeup of one of the Cesaroni Technology, Inc. - constructed aerospike nozzles used in the Dryden Aerospike Rocket Test.

The Dryden Aerospike Rocket Test provided the first known data from a solid-fueled aerospike rocket in flight. The test took place March 30 and 31, 2004, at the King Ranch launch site at the Pecos County Aerospace Development Corporation Flight Test Range in Fort Stockton, Texas.