en liquid rocket booster (n)
― IsA ⟶
Weight: 1.0
en rocket booster (n) Source: OpenCyc 2012
en solid rocket booster (n)
― IsA ⟶
Weight: 1.0
en rocket booster (n) Source: OpenCyc 2012
en rocket booster (n)
― IsA ⟶
Weight: 1.0
en ground to orbit vehicle (n) Source: OpenCyc 2012
en rocket booster (n)
― IsA ⟶
Weight: 1.0
en rocket stage (n) Source: OpenCyc 2012