See weaponry, uniforms, photos and other memorabilia housed in a historic shoreline battery on the Ewa (west) end of Waikiki Beach. Exhibits cover the martial history of Hawaii, from the early days of the territory through the Vietnam conflict. Located at Fort DeRU.S.S.y Military Reservation (next to the Hale Koa Hotel). Validated parking is available across the street. Hours: 10 a.m.-4:30 p.m., Tuesday-Sunday.