This collection contains materials relating to plume impingement and rocket exhaust research from the 1960s to 1980s, both generally in regards to effects and calculations and specifically in regards to shuttle payloads and even space station applications. Also contained in the collection are space station design studies from 1967 to 1986, and more specifically a large amount of material on tethers and tether applications related to the space station from 1983-1987. Finally, some internal finance and budget papers from 1979-1988 are included.