Battle of Sagami Bay
Part of World War II
USS De Haven (DD-727), the destroyer which led the attack, underway in 1944.
Date22-23 July 1945
Result American victory
 United States  Japan
Commanders and leaders
United States T.H. Hederman Empire of Japan Unknown
Units involved
United States United States Navy Destroyer Squadron 61 [1] Empire of Japan Imperial Japanese Navy
9 destroyers 1 minesweeper
1 submarine chaser
2 freighters
Casualties and losses
None 1 freighter sunk
1 freighter damaged

The Battle of Sagami Bay was a World War II anti-shipping raid off the tip of Bōsō Peninsula on the night of 22 July 1945. It was the last surface action of the war. Destroyer Squadron 61 (DesRon 61) of the U.S Navy engaged with a Japanese convoy consisting of two freighters escorted by subchaser No. 42 and minesweeper No.1. The Americans sank a freighter, No.5 Hakutetsu Maru of 800 long tons (810 t), and damaged another freighter, Enbun Maru of 6,919 long tons (7,030 t). The Japanese escorts were not damaged.


  1. ^ "Penetrating Home Waters: Destroyer Sweep of Sagami Nada".