Long Duration Exposure Facility
Space shuttle
NASA's Long Duration Exposure Facility, or LDEF, was a cylindrical facility designed to provide long-term experimental data on the outer space environment and its effects on space systems, materials, operations and selected spores' survival. It... Wikipedia
Launch date: April 6, 1984
Manufacturer: NASA Langley Research Center
Cost: 14 million USD
Launch mass: 9,724 kg (21,438 lb)
Mission duration: 2076 days
Recovery date: January 12, 1990, 15:16 UTC