An explosive charge detonates during ordnance training in preparation for Friendship Day 2023, at Marine Corps Air Station Iwakuni, Japan, March 26, 2023. The MCAS Iwakuni Explosive Ordnance Disposal team has been conducting various controlled explosions since December 2022 in preparation for Friendship Day 2023. - An explosive charge detonates during ordnance training in preparation for Friendship Day 2023, at Marine Corps Air Station Iwakuni, Japan, March 26, 2023. The MCAS Iwakuni Explosive Ordnance Disposal team has been conducting various controlled explosions since December 2022 in preparation for Friendship Day 2023.