ACS - Automatic control system
ALS - Airborne laser scanner
ATLP - Automatic takeoff and landing platform
DEM - Digital elevation model
DTM - Digital terrain model
ERS - Earth remote sensing
FHSS - Frequency hopping spread spectrum
GCS - Ground control station
GPS/GLONASS - Global position system/Global navigation satellite system
MGCS - Mobile ground control station
PL - Payload
UAV - Unmanned aerial vehicle
UAS - Unmanned aircraft system
