NOMENCLATURE

“You can't take over the world without a good acronym”
– C.S. Woolley

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ADM

Admiral

AGL

Above Ground Level

AMARC

Aerospace Maintenance and Regenerative Center

A&P

Airframe & Powerplant

APU

Auxiliary Power Unit

CAPT

Captain

CDR

Commander

CHGR

Cargo Hold Guide Rails

CM

Crew Module

C&C

Command & Control

CO

Commanding Officer

COMM

Commodore

CPT

Composite Propellant Tanks

CV

Cislunar Vehicle

ELV

Expendable Launch Vehicle

ENS

Ensign

EOS

Earth Orbit Station

ESS

Earth Surface Station

ETV

Earth Transfer Vehicle

EVA

Extravehicular Activity

FADM

Fleet Admiral

GEO

Geosynchronous Earth Orbit, defined as 35,786 km altitude

GH2

Gaseous Hydrogen

GLOW

Gross Lift Off Weight

GN2

Gaseous Nitrogen

GSO

Geostationary Earth Orbit, defined as 35,786 km inclined 0o

HDR

Hempsell Docking Ring

HM

Habitat Module

HTHL

Horizontal Takeoff Horizontal landing

IM

Intelligence Module

ISP

Specific Impulse

ISRU

In–Situ Resource Utilization

KSC

Kennedy Space Center

L2TDRS

Lagrange Point 2 TDRS

LEO

Low Earth Orbit

LEXM

Lunar Exercise Module

LH2

Liquid Hydrogen

LH2O

Liquid Water

LHM

Lunar Habitat Module

LH2T/IMC

LH2 Tank/Intelligence Module Combination

LN2

Liquid Nitrogen

LO2

Liquid Oxygen

LO2T/REC

LO2 Tank/Rocket Engine Combination

LRM

Lunar Resupply Module

LSPM

Lunar Solar Power Module

LSS

Lunar Surface Station

LT

Lieutenant

LV

Lunar Vehicle

LVLH

Local–Vertical–Local–Horizontal

MSTO

Multi–Stage–To–Orbit

NMSA

New Mexico Spaceport Authority

OEXM

Orbital Exercise Module

OHM

Orbital Habitat Module

ORM

Orbital Resupply Module

OSPM

Orbital Solar Power Module

OTV

Orbital Vehicle

OUV

Utility Vehicle

PEO

Payload Earth Orbit

PIC

Pilot in Command

PM

Propellant Module

RCS

Reaction Control System

RLV

Reusable Launch Vehicle

ROI

Return On Investment

SA

Spaceport America

SAR

Search and Rescue

SCC

Spaceliner Cargo Carrier

SEO

Standard Earth Orbit, defined as 900.96 km altitude inclined 60o

SLO

Standard Lunar Orbit, defined as 111.12 km altitude inclined 0o

SLP

Standard Lunar Payload, defined as 10,500 kg

SOP

Standard Orbital Payload, defined as 21,000 kg

SRB

Solid Rocket Booster

SSTO

Single–Stage–To–Orbit

SV

Surface Vehicle

TDRS

Tracking and Data Relay Satellite

TPS

Thermal Protection System

TSTO

Two–Stage–To–Orbit

USIS

Universal Space Interface Standard

VEXH

Exhaust Velocity

VEM

VentureStar Escape Module

VTHL

Vertical Takeoff Horizontal Landing

VTVL

Vertical Takeoff Vertical Landing

XO

Executive Officer

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