Grumman / Boeing Orbiter source Shuttle H-33 at Astronautix Image credit: Grumman Image source: Mike Acs
Grumman/Boeing 2-Stage Concepts source Shuttle H-33 at Astronautix Image credit: Grumman Image source: Mike Acs
H-33 by Craig Kavafes source Shuttle H-33 at Astronautix Image credit: Grumman Image source: Mike Acs
108-KSC-71PC-157 source Shuttle H-33 at Astronautix Image credit: NASA KSC Image source: Numbers Station
numbers station 