At least four people were injured at Kadena Air Base in Okinawa, Japan, on Monday An explosion rocked a storage depot used to temporarily house unexploded munitions at the US Kadena Air Base in Okinawa on Monday, injuring at least four people, according to local media and defense sources. The blast occurred around 11:20am local time, injuring at least four members of the Japanese Self-Defense Forces (SDF), according to military sources cited by NHK and Jiji Press . None of the injuries are