Just after 10 a.m. local Friday, FOX 5/KUSI reported heavy smoke near Marine Corps Air Station Miramar in California. Marine officials said emergency crews are responding to an F-35 aircraft incident on the flight line. The jet is assigned to the 3rd Marine Aircraft Wing’s Marine Aircraft Group 11. Fire was reported east of the runway near Kearny Villa Road and Johnson Road; news helicopter footage showed heavy smoke and what appeared to be a burned aircraft.

US Central Command on July 31 dismissed Iran’s renewed claim that it had closed the Strait of Hormuz, calling the report false and saying the waterway remains open to commercial shipping. CENTCOM said Iran does not control the strait and that thousands of vessels have transited the international channel in the past four months. Earlier on July 31 Iran’s Persian Gulf Strait Administration said continued "aggressive" US actions in the area have made normal transit through the strait impossible.

美國7月一年期通脹率預期終值 4.2%，預期4.30%，前值4.20%。