International legion for the Defence of Ukraine (ILDU) / International Legion of Territorial Defence of Ukraine / Ukrainian Foreign Legion

Legion Free Russia / Freedom of Russia Legion (LFR / FRL) / Liberty of Russia Legion

territorial defence

EU Military Assistance Mission in support of Ukraine (EUMAM Ukraine)

Ukraine Defence Contact Group (UCG)

Ukrainian Armed Forces

Ukrainian Cyber Alliance

Ukrainian hacktivist groups

legion

territorial acquisition

territorial claims

territorial dispute

territorial integrity

territorial principle

territorial sea

territorial waters

violation of territorial waters

principle of territorial integrity

territorial pretensions

focus of territorial aspirations

Warwickshire Yeomanry, Territorial Army

Cambridgeshire Regiment, Territorial Army

Territorial Centres of Recruitment and Social Support (TCRSS / TCR & SS / TCR and SS)

international humanitarian law (See international law of armed conflict)

Common Foreign and Security Policy (CFSP, EU)

foreign duty

foreign instrumentation signals

foreign instrumentation signals intelligence (FISINT) (a subset of COMINT / SIGINT)

foreign intelligence

Foreign Intelligence Service (SVR)

foreign internal defense (FID)

foreign military sales (FMS)

Office of U.S. Foreign Disaster Assistance (OFDA)