дать добро(вариант требует замены конструкции: Engineers and managers at NASA will make a "go" or "no go" decision on testing that day. Assuming the test is a go, technicians begin running final checks to make sure everything is ready.)
Поехали!(Upon takeoff, Gagarin called out "Poyekhali!" (Off we go!). • The five engines at the base of the rocket start their ignition and, at 9:07, Gagarin lifts off to the cry of "Poyekhali!" ("Off we go!" in Russian).)