The World War II-era gun emplacement was discovered on Jan. 13, 2015 and was accidentally unearthed after the Marine Corps Base Hawaii presidential cottage's driveway was being renovated. (Photo courtesy of Ray Rippel) - The World War II-era gun emplacement was discovered on Jan. 13, 2015 and was accidentally unearthed after the Marine Corps Base Hawaii presidential cottage's driveway was being renovated. (Photo courtesy of Ray Rippel)
Pfc. Alexander Pindea, a Marine with 3rd Radio Battalion, fires an M4 5.56mm carbine rifle during the unknown distance night shoot as part of the marksmanship coach's course at the Kaneohe Bay Range Training Facility, April 13, 2015. The Marines are the first cycle of coaches in training to fire on the modified tables of fire, tables two through six, which have replaced tables three through four. (U.S. Marine Corps photo by Lance Cpl. Adam O. Korolev/Released) - Pfc. Alexander Pindea, a Marine with 3rd Radio Battalion, fires an M4 5.56mm carbine rifle during the unknown distance night shoot as part of the marksmanship coach's course at the Kaneohe Bay Range Training Facility, April 13, 2015. The Marines are the first cycle of coaches in training to fire on the modified tables of fire, tables two through six, which have replaced tables three through four. (U.S. Marine Corps photo by Lance Cpl. Adam O. Korolev/Released)