In this aerial image, debris of the Japanese Imperial Navy transport vessel Kinugawa Maru lies at Tassafaronga beach on August 31, 2016 in Guadalcanal Island, Solomon Islands. The war was opened up 75 years ago by Imperial Japan against the allied forces, including the United States, by the Pearl Harbour attack on December 7, 1941, claimed more than 2 million lives until Japan's surrender in 1945. (Photo by The Asahi Shimbun via Getty Images)





In this aerial image, debris of the Japanese Imperial Navy fighter A6M “Zero” is seen in the field on August 29, 2016 in Babeldaob Island, Palau. (Photo by The Asahi Shimbun via Getty Images)





Debris of the United States Naval transport vessel remains abondoned after stranded on August 31, 2016 in Nggela Islands, Solomon Islands. (Photo by The Asahi Shimbun via Getty Images)





In this aerial image, debris of the Japanese Imperial Navy destroyer Kikuzuki lies at Tokyo Bay on September 1, 2016 in Nggela Islands, Solomon Islands. (Photo by The Asahi Shimbun via Getty Images)





In this aerial image, debris of the Japanese Imperial Army fuel tank is seen on August 30, 2016 in Tonowas Island, Micronesia. (Photo by The Asahi Shimbun via Getty Images)





Debris of the Imperial Japanese Navy Type 95 Ha-Go tank remain on August 28, 2016 in Saipan, Northern Mariana Islands. (Photo by The Asahi Shimbun via Getty Images)





A helmet used by Imperial Japan soldier remains in a jungle on September 2, 2016 in Barana, Guadalcanal Island, Solomon Islands. (Photo by The Asahi Shimbun via Getty Images)





Debris of the United States Marine Corps amphibious tractors remain in a jungle on September 7, 2016 in Guadalcanal Island, Solomon Islands. (Photo by The Asahi Shimbun via Getty Images)





Debris of the United States Naval transport vessel remains abondoned after stranded on August 31, 2016 in Nggela Islands, Solomon Islands. (Photo by The Asahi Shimbun via Getty Images)





Debris of Imperial Japan fighter “Zero” remains in a jungle on September 8, 2016 in Guadalcanal Island, Solomon Islands. (Photo by The Asahi Shimbun via Getty Images)





Local people play near debris of the Japanese Imperial Navy transport vessel Kinugawa Maru at Tassafaronga beach on September 3, 2016 in Guadalcanal Island, Solomon Islands. (Photo by The Asahi Shimbun via Getty Images)





In this aerial image, debris of the Japanese Imperial Navy transport vessel Kinugawa Maru lies at Tassafaronga beach on August 31, 2016 in Guadalcanal Island, Solomon Islands. (Photo by The Asahi Shimbun via Getty Images)





Debris of Imperial Japan fighter “Zero” remains in a jungle on September 8, 2016 in Guadalcanal Island, Solomon Islands. (Photo by The Asahi Shimbun via Getty Images)





In this aerial image, debris of the Japanese Imperial Navy destroyer Kikuzuki lies at Tokyo Bay on September 1, 2016 in Nggela Islands, Solomon Islands. (Photo by The Asahi Shimbun via Getty Images)





In this aerial image, debris of Imperial Japan Navy Type Zero Reconnaissance Seaplane remains at shallow water on September 1, 2016 in Solomon Islands. (Photo by The Asahi Shimbun via Getty Images)





In this aerial image, Piers used by the Imperial Japanese Navy remain on August 31, 2016 in Gavutu Island, Solomon Islands. (Photo by The Asahi Shimbun via Getty Images)





A Type 96 15 cm howitzer used by Imperial Japan Army is seen on September 3, 2016 in Guadalcanal Island, Solomon Islands. (Photo by The Asahi Shimbun via Getty Images)





Debris of Imperial Japan fighter “Zero” remains in a jungle on September 8, 2016 in Guadalcanal Island, Solomon Islands. (Photo by The Asahi Shimbun via Getty Images)