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 |
