In June 2025, when B-2 Spirit bombers dropped 14 Massive Ordnance Penetrator (MOP) bombs on Iran’s deeply buried nuclear facilities, it marked the culmination of a development journey that began in the early 2000s. I visited Eglin Air Force Base in 2010 and witnessed the weapon’s development firsthand; for me, the recent strikes represented the … Continue reading From Development to Deployment: The GBU-57 MOP’s Journey from Eglin AFB to Iran