Troops march up the beach at Adak, during pre-invasion loading for the Kiska Operation, 13 August 1943. Photographed by Lt. Horace Bristol, USNR, of the Steichen photographic unit. LCM behind the soldiers is from USS Zeilin (APA-3). USS Pennsylvania (BB-38) is in the far right distance. Note the troops' packs and M1 rifles. Official U.S. Navy Photograph, now in the collections of the National Archives.