unmanned rigid airship

unmanned non-rigid airship

unmanned semi-rigid airship

non-rigid airship

rigid airship

semi-rigid - rigid inflatable boat (RIB)

unmanned airship

airship / blimp / dirigible

freight-carrying airship

airship

drone airship

rigid tow bar

rigid bearing

rigid removable tank

rigid pavement

rigid vortex

boom vang (rigid)

armour piercing, composite rigid (APCR)

armour-piercing, composite non-rigid (APCNR)

composite rigid shot

Integrated Modular Unmanned Ground System (iMUGS)

Joint Architecture for Unmanned Systems (JAUS)

manned and unmanned systems integration capability (MUSIC)

manned and unmanned teaming (MUM-T)

nano-unmanned aerial system (nUAS)

small tactical unmanned aircraft system (STUAS)

unmanned

Unmanned Aerial Vehicle (UAV)

Unmanned Carrier Launched Airborne Surveillance and Strike System (UCLASS)

unmanned combat aerial vehicle (UCAV)

Unmanned Interoperability Initiative (UI2)

Unmanned Maritime Systems (UMS)

Unmanned Maritime Vehicle (UMV)