(іст. розм.) заняття з відображенням тактичного завдання на (класній) дошці
chalk
chalk leader
chalk commander
fly talk
push-to-talk switch
Target Talk On
capture a prisoner who will talk
talk-back microphone
talk-down landing
give away the secret by careless talk
Listen Before Talk (LBT) / Listen Before Transmit
be on the talk