Work in Progess
At Burros Bay, CRUZ DEL SALVADOR, VALLE DE ORO.
At the western pier of the EL TIGRE DORMIDO HOTEL, the box is underwater.
The gun is in the bunker below the FND 2ND ARMORED DIVISION, LOZANIA.
The main entrance is in the south of the base, but there are also 2 bunker hatches at base level.
It requires a key that you get when capturing the base.
The gun in the northern part of CONCEPCION, CONUCO.
At La Raja Bar, FUEGO VALLEY, LOZANIA.