https://tacticalnav.com/
Tactical NAV: Advanced Military Navigation | TACNAV-X
Tactical NAV was created by a U.S. Army Field Artillery officer who was deployed to Afghanistan with the 101st Airborne Division (Air Assault). While deployed,...
https://play.google.com/store/apps/details?id=com.tacnav.android
Tactical NAV - Apps on Google Play
TACNAV-X: Precision MGRS navigation, built specifically for the military.