List of Acronyms

MMVS........................................Manned Mars Vehicular System
MML...........................................Mars Modular Lander
ERV (RVI/RVII)........................Earth Return Vehicle
HAB............................................Mars Habitat
RTG............................. ..............Radioisotope Thermoelectric Generators
ISS...............................................International Space Station
SRMS..........................................Space Station Remote Manipulator System
SPDM..........................................Special Purpose Dextrous Manipulator
TDRSS........................................Tracking and Data Relay Satellite System
DSN.............................................Deep Space Network
LOX/LH2....................................Liquid Oxygen/Liquid Hydrogen  (Rocket Fuel)
LEO.............................................Low Earth Orbit
Isp................................................Specific Impulse
NASA..........................................National Aeronautics and Space Administration