тактичний знак
tactical air command (TAC)
terminal attack controller (TAC) (= forward air controller)
Terminal Attack Control (TAC)
TAC radar (terminal approach control)
terminal approach control (TAC)
tactical call sign
company tactical group / company tactical team
call sign (callsign)
collective call sign
conventional sign
marking sign
net call sign
circular call sign
hazard sign
mine sign
BIO sign
crossing sign
deviation sign
aerodrome identification sign
sign
address call sign
challenging sign
call sign
gas warning sign
trail sign
visual call sign
voice call sign
warning sign
call sign (signal)
code sign
collective сall sign
recall sign