Found these tunneling down from the NASA Cultural Resources (CRGIS) website.
http://crgis.ndc.nasa.gov/historic/Langley_Media and under some facilities you can find some old test photos, for instance under http://crgis.ndc.nasa.gov/historic/Unitary_and_Continuous-Flow_Hypersonic_Tunnels there is this old boost glide configuration: http://crgis.ndc.nasa.gov/historic/File:1959-06-22_Aviation_Week_Photo.jpg
http://crgis.ndc.nasa.gov/historic/Langley_Media and under some facilities you can find some old test photos, for instance under http://crgis.ndc.nasa.gov/historic/Unitary_and_Continuous-Flow_Hypersonic_Tunnels there is this old boost glide configuration: http://crgis.ndc.nasa.gov/historic/File:1959-06-22_Aviation_Week_Photo.jpg