c/Rocket stages

Information
lexicalization	eng: Rocket stages
subclass of	(noun) any vehicle self-propelled by a rocket engine rocket, projectile
has instance	e/Altair (rocket stage)
has instance	e/Block 2BL
has instance	e/Block D
has instance	e/Block E (rocket)
has instance	e/Burner (rocket stage)
has instance	e/Delta-K
has instance	e/Fregat
has instance	e/S-IB
has instance	e/S-IV
has instance	e/Transfer Orbit Stage
has instance	e/Transtage