Before revision: Test articles of the unpowered NASA X-38 were also drop tested, from altitudes of up to 45,000 feet, in order to study its aerodynamic and handling qualities, autonomous flight capabilities, and deployment of its steerable parafoil."X-38."
After revision: test articles of the unpowered NASA X-38 were also drop tested, from altitudes of up to 45,000 feet, in order to study its aerodynamic and handling qualities, autonomous flight capabilities, and deployment of its steerable parafoil."X-38."