Boeing NKC-135A: 4950th Test Wing, ASD, 1980View: Slideshow Mosaic ListComments16 May 2024, 17:50 - Project infoBoeing NKC-135A: 4950th Test Wing, ASD, 19803 images1:144IdeasBoeing C-135 Stratolifter US Air Force (1947-now) All albumsView all albums »