Day 20: Israel Strikes South Pars Gas Field — Historic First Attack on Iran's Upstream Gas Infrastructure; B-1 Bombers Enter Iranian Airspace; Intel Minister Khatib Killed

Day 20 of Operation Epic Fury / Roaring Lion. Israel struck the South Pars gas field — the world's largest natural gas reserve shared with Qatar — marking the first direct attack on Iran's upstream oil and gas infrastructure since the war began. The strike escalated economic pressure dramatically, pushing Brent crude back above $108/bbl. US B-1 Lancer bombers were observed flying over Iranian airspace, a signal of near-total US air dominance after Iranian air defenses were degraded. Israel also killed Intelligence Minister Esmail Khatib in a targeted strike, adding to the decapitation campaign. USS Tripoli Amphibious Ready Group (America-class assault ship + USS New Orleans + USS San Diego + 31st MEU, ~2,200 Marines) was tracked near Singapore on March 17 heading toward the Middle East. Iran's FM Araghchi stated Iran intends to permanently redesign rules of navigation in the Strait of Hormuz even after the war ends. Iran launched 21 confirmed attacks on merchant ships in the Persian Gulf/Hormuz region total. IMO emergency council meeting convened on March 18 with the strait effectively closed. Iran executed Kouroush Keyvani, convicted of espionage for Israel, via hanging. Iran's ballistic missile launch rate has dropped more than 90% — from ~350/day on Day 1 to ~25/day by March 14. No ceasefire is imminent; Trump administration rebuffed Middle Eastern allies' diplomatic efforts.