The Gunnery-Timer and Calculator (G-TAC) app features three functional tools: Timer, Point Calculator, and Engagement Modifier (EM) Calculator.

The Gunnery Timer allows you to time engagements during crew gunnery for DA Form 8265.

The Point Calculator allows to you calculate points acquired from up to four targets during crew gunnery engagements and verify the total points (19a) and the engagement score (19f) on DA Form 8265.

The Engagement Modifier Calculator allows you to calculate and update engagement modifier points for the modifier fields (13b-16b) on DA Form 8265.