Assertion: extended lunar module | /r/HasProperty | elm
Facets:
Source sentences:
text: The extended lunar module (ELM) used on the final three "J-class missions" — Apollo 15, 16, and 17 — was upgraded to land larger payloads and stay longer on the lunar surface.
text: This Lunar Exploration Phase would commence about two years after Apollo and consisted of four flights of the Extended Lunar Module (ELM), a modification of basic Apollo Lunar Module hardware.