The Gunnery-Timer and Calculator (G-TAC) app is a free utility and tool app for Android devices. Developed by TRADOC Mobile, it features three functional tools: Timer, Point Calculator, and Engagement Modifier (EM) Calculator. The app is specifically designed for crew gunnery engagements and helps in the calculation of points and engagement scores on DA Form 8265.

The Gunnery Timer allows you to time engagements during crew gunnery for DA FormThe Point Calculator enables you to 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 FormThe Engagement Modifier Calculator allows you to calculate and update engagement modifier points for the modifier fields (13b-16b) on DA Form 8265.

Overall, the G-TAC app is a helpful tool for crew gunnery engagements. Its simple and user-friendly interface makes it easy to navigate, and its accurate calculations make it a reliable tool for gunnery crews.