ALSD

Apollo Lunar Surface Drill

ALHT

Apollo Lunar Hand Tools

ALHTC

Apollo Lunar Hand Tool Carrier

ALSEP

Apollo Lunar Surface Experiments Package

ALSRC

Apollo Lunar Sample Return Container(Rock Box)

AMU

Atomic Mass Unit

ASK

Active Seismic Experiment

BLSS

Buddy Secondary Life Support System

BW

Black and White

CAPCOM

Capsule Communicator, the single individual on Earth who talks directly with the crew

CCIG

Cold Cathode Ion Gauge

CM

Command Module

CSM

Command and Service Module

CDR

Commander

CRD

Cosmic Ray Detector

C/S

ALSEP Central Station

CSVC

Core Sample Vacuum Container

DAC

Data Acquisition Camera

DPS

Descent Propulsion System

DOI

Descent Orbit Insertion

DSEA

Data Storage Electronics Assembly

ETB

Equipment Transfer Bag

EVA

Extravehicular Activity

FMC

Forward Motion Compensation

FOV

Field of View

FWD

Forward

GASC

Gas Analysis Sample Container

GCTA

Ground-Commanded Television Assembly

GET

Ground Elapsed Time

GMT

Greenwich Mean Time

GLA

Grenade Launch Tube Assembly

GNP

Gaseous Nitrogen

HBW

High-Speed Black and White

HCEX

High-Speed Color Exterior

HEC

Hasselblad Electric Camera

HEDC

Hasselblad Electric Data Camera

HFE

Heat Flow Experiment

IMC

Image Motion Compensation

IR

Infrared

JPL

Jet Propulsion Laboratory

KSC

Kennedy Space Center

LBW

Low-Speed Black and White

LCRU

Lunar Communications Relay Unit

LDD

Lunar Dust Detector

LESC

Lunar Environment Sample Container

LDAC

Lunar Surface 16-mm Data Acquisition Camera

LGE

Lunar Geology Experiment

LM

Lunar Module

LMP

Lunar Module Pilot

LOI

Lunar Orbit Insertion

LP

Long-Period

LPM

Lunar Portable Magnetometer

LRL

Lunar Receiving Laboratory

LRRR

Laser Ranging Retro-Reflector (Pronounced Lit-Cubed)

LRV

Lunar Roving Vehicle (Rover)

LSAPT

Lunar Samples Analysis and Planning Team

LSM

Lunar Surface Magnetometer

LSPET

Lunar Sample Preliminary Examination Team

LSUV

Lunar Surface UV Camera

MC

Mapping Camera

MCC

Mission Control Center

MESA

Modularized Equipment Stowage Assembly (A storage area in the LM that contains science equipment)

MIT

Massachusetts Institute of Technology

MPA

Mortar Package Assembly

MSC

Manned Spacecraft Center

MSFN

Manned Space Flight Network

NASA

National Aeronautics and Space Administration

NM

Nautical Mile

PC

Panoramic Camera

PET

Preliminary Examination Team

PI

Principal Investigator

PLSS

Portable Life Support System

PM

Portable Magnetometer (also LPM)

ppm

Parts per Million

PSCB

Padded Sample Collection Bag

PSE

Passive Seismic Experiment

RCH

A very small, though fuzzy, unit of length

RCS

Reaction Control System

REV

Revolution

RTG

Radioisotope Thermoelectric Generator

SC

Stellar Camera

S/C

Spacecraft

SCB

Sample Collection Bag

SEQ

Scientific Equipment Bay

SESC

Surface Environment Sample Container

SEVA

Standup Extravehicular Activity (An Apollo 15 term, not planned for 16)

SIDE

Suprathermal Ion Detector Experiment

SIM

Scientific Instrument Module

S-IVB

Saturn IVB (rocket stage)

SM

Service Module

SME

Soil Mechanics Experiment

SP

Short-Period

sps

Service Propulsion System

SRC

Sample Return Container (=ALSRC)

SSD

Surface Sampler Device

SWC

Solar Wind Composition Experiment

SWP

Science Working Panel

TEC

Transearth Coast

TEI

Transearth Injection

TV

Television

UHT

Universal Hand Tool

USGS

U.S. Geological Survey

V/h

Velocity-to-Height

VHBW

Very High-Speed Black and White

VHF

Very High Frequency (the same term applies to VHF television)