Apollo 11 Moon Landing 50th Anniversary: NASA

A

One of four Omni Directional Control Antennas, known as Omni Alpha

ACA

Attitude Control Assembly

ACQ

Acquisition

AELD

Ascent Engine Latching Device

AGC (1)

Apollo Guidance Computer

AGC (2)

Automatic Gain Control, which is part of the TV system flown on Apollos 15-17, see Ground Controlled Television Assembly Manual. An AGC output meter is located on the LCRU.

AGS

Abort Guidance System

ALHT

Apollo Lunar Hand Tools

ALM

Alarm

ALSCC

Apollo Lunar Surface Close-Up Camera, also known as the Gold Camera after its developer, astronomer Tommy Gold

ALSD

Apollo Lunar Surface Drill; flown on Apollo 15, 16, and 17

ALSE

Apollo Lunar Sounder Experiment

ALSEP

Apollo Lunar Surface Experiments Package; collection of experiments flown to the lunar surface by Apollo 12, 14, 15, 16, and 17; see ASE, CCG, CPLEE, HFE, LACE, LDD, LSG, LSM, LSP, PSE, SIDE, and SWS

See more terms from NASA's Apollo Lunar Surface Journal. 

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Listen to the rest of their journey here (Day1 through Day 9).