The team concept...where you rely on the other guy to catch that increasing deck angle over Roselawn....catch the yoke, when you adjust your seat.....catch your approach stall going into Buffalo.....catch that firelight before you pull it off.......
Call for back up...man down...you watch my back, I'll watch yours......911..come quick......
25% of the casualties in Vietnam were from friendly fire...I would imagine that's about 12,000+ soldiers, who if we could ask their ghosts, might surmise in hindsight, that they would have been better off by themselves, and not needed the 'help'