Or it leads to a situation where the 2nd LT is reciting in his head "3-69 The process of listening is composed of Listening, Receiving, Attending and Understanding... 3-70 Speaking is the call to listen, the speaker has not communicated until the receiver interprets and understands the message sent..." while the guy in front of him is nervously telling him he's ordered a fire mission 50m from the wall they're behind.