Definitions by The_Big_Cheif_

Affirmative 

Affirmative is used over radio as “yes”
This is because with most radios, it can be difficult to make out what someone us saying especially if they just say, ”yes.”

Tank commander: (Over radio) “Gunner, see that tree line 12 o’clock?”

Gunner: “Affirmative”

Affirmative by The_Big_Cheif_ January 15, 2020