Board Thread:Questions and Answers/@comment-89.210.228.90-20140321161853/@comment-83.49.4.125-20140322125215

"If the player is engaged in DFM offensively, the enemy can attempt to perform a counter-maneuver, indicated by a diagonal red arrow briefly appearing on the enemy aircraft. If the player manages to press the CRA button(s) while the arrow is visible, they will perform a "counter-counter-maneuver," in which they will have a brief opportunity to fire at the enemy using the machine gun with 100% accuracy and highly-increased damage. Notably enough, one counter-counter-maneuver is mandatory in the end of the campaign to destroy Andrei Markov's plane." Taken from the Close Range Assault page.