"Disconcerting Whistling Effect"

WED 4 AUG 1943
Pacific
Radar-equipped PBY carries out pre-dawn bombing of submarine base and main Japanese camp area on Kiska. The Catalina also drops 92 empty beer bottles (for the disconcerting whistling effect they produce) on those targets.

U.S. motor torpedo boats engage Japanese guardboats off Vanga Vanga, Kolombangara, sinking No. 3 Matsue Maru and driving Banyo Maru ashore, damaged.

Submarine Finback (SS-230) sinks Japanese army cargo ship Kaisho Maru, 05°18'S, 111°50'E.

Submarine Seadragon (SS-194) damages Japanese transport Kembu Maru, 07°33'N, 161°12'E.

Atlantic
Aircraft damage German submarine U-604. [...] [sic]

Mediterranean
Destroyer Shubrick (DD-639) is damaged by dive bomber off Palermo, Sicily, 38°06'N, 13°20'E.

U.S. freighter Harrison Grey Otis, anchored in Gibraltar harbor, is irreparably damaged by Italian limpet mine. Of the ship's 45-man merchant complement, one man dies and eight are injured; there are no casualties among the 23-man Armed Guard.