Elki Carpel, senior account manager, M2 Tecnology, explains new technologies to 1st Lt. Isis Culver and 1st Lt. Eric Becker, communication officers, 1st Tank Battalion, during the Tactical and Technology Day at the Officers’ Club, April 21, 2015. This event is held twice a year, in April and November. (Official Marine Corps photo by Lance Cpl. Thomas Mudd/Released) - Elki Carpel, senior account manager, M2 Tecnology, explains new technologies to 1st Lt. Isis Culver and 1st Lt. Eric Becker, communication officers, 1st Tank Battalion, during the Tactical and Technology Day at the Officers’ Club, April 21, 2015. This event is held twice a year, in April and November. (Official Marine Corps photo by Lance Cpl. Thomas Mudd/Released)