Put it late in an edit, just after Enemy Spotted, when the group realises the plan has failed and starts pulling away, then cut to Okay Let's Go as they leave the scene together.
关于此声音
The Sanitar clip is a short Russian voice line, about 2.3 seconds long, in which a voice calls out to colleagues and tells them twice to step back. It feels urgent and comic at once, like a sudden order to retreat from a scene that has already gone wrong.