Air Operations, Aleutians

• 8 radar-guided 28th Composite Group B-24s sent to attack Kiska abort in the face of bad weather.
• Later, a total of 19 B-24s (of 26 dispatched) and 7 B-25s are able to mount 2 attacks against Kiska.

Air Operations, East Indies

V Bomber Command B-24s attack various targets in the Molucca Islands.

Air Operations, Europe

• 15 Lancaster and 15 Stirlings lay mines in the Frisians, off La Pallice and in the Gironde River and there are 4 OTU sorties.
• 1 mine-laying Lancaster is lost.

Air Operations, New Guinea

• V Bomber Command B-25s attack Dumpu, Kaiapit, and Kaigulin.
• 3rd Light Bomb Group A-20s attack barges and facilities at Labu Lagoon.

Indian Ocean

The US freighter Sebastian Cermeno, en route from Mombasa, Kenya to Bahia, Brazil, is torpedoed and sunk by U-511. From the 42-man crew, 27-man Armed Guard and 5 passengers, 5 die from wounds or exposure in the lifeboats from their ordeal for some lasting until July 27.

Mediterranean

The US salvage vessel Redwing (ARS-4) is sunk in the North African area by an underwater explosion.

New Georgia

The Marines of the 4th Raider Bn are ferried slightly farther up the coast from Segi Point to the plantation at Lambeti to begin an overland advance on Viru Harbor.

Occupied France

French Resistance attacks the Ateliers des Fives locomotive works at Lille.