330-CFD-DF-ST-85-11979

Image credit: Boeing
Image source: National Archives

330-CFD-DF-ST-85-11980

Image credit: Boeing
Image source: National Archives

HL 10

Image credit: Boeing
Image source: NM Space Museum

METEOR

Image credit: Goodyear Aerospace
Image source: AFMC 

Goodyear Aerospace METEOR

Image credit: Goodyear Aerospace
Image source: AFMC