In the wake of GBU-57 Massive Ordnance Penetrator Bomb strikes on three buried Iranian nuclear sites, satellite imagery shows conflicting damage assessments and independent experts warn deep-hardened shafts may have blunted the impact. U.S. officials insist the operation crippled key enrichment infrastructure without civilian harm, even as opposition lawmakers challenge its legality. Anti-war protests have also erupted in cities across the U.S. including New York, San Francisco and Washington, underscoring domestic unease.