ALASKA (Eleventh Air Force): A weather sortie over Matsuwa Island is negative due to low clouds and fog.
BURMA-INDIA (Tenth Air Force): In Burma, the Mogaung Valley is pounded by 100+ fighter-bombers and a few B-25s; the aircraft hit town areas, bridges, storage areas, support ground forces, and hit targets of opportunity in general in or near Mogaung, Kamaing, Laban, Hopin, Myitkyina, and Nsopzup; 25 B-25s and P-51s hit fuel dumps at Indaw, bomb a road near Manhton and support ground forces at Lasai; 6 B-24s bomb Mandalay railroad yards, another bombs nearby Maymyo, and 13 others mine areas near Mandalay and Magwe; also in the Mandalay area, 11 P-38s damage several locomotives, numerous railroad cars and set a steamer afire near Ywataung. The detachment of the 24th Combat Mapping Squadron, Tenth Air Force, operating from Hsinching, China transfers to Jorhat, India with F-7s; the squadron is based at Guskhara.
CHINA (Fourteenth Air Force): In China, 2 B-25s claim a 200-ft (61 m) tanker sunk off Cape Bastion and 3 fighters shot down over Yulinkan Bay.
PACIFIC OCEAN AREA (POA, Seventh Air Force): B-24s on a photo reconnaissance mission over Maloelap, Wotje, and Mille Atolls, Marshall Islands, and a single Tarawa Atoll based B-25 bombs Taroa; B-25s, in a shuttle mission from Abemama Island, bomb Jaluit Atoll, rearm at Majuro, and then hit Maloelap Atoll.
PACIFIC: US Submarines sink 2 Japanese ships:
- USS Seahorse attacks a Japanese convoy sinks a transport about 40 miles W of Saipan, Mariana Islands.
- USS Whale sinks a Japanese army cargo ship off the northwestern coast of Kyushu, Japan.
The Japanese hospital ship Takasago Maru is damaged by a mine off the Palau Islands.
SOUTH PACIFIC AREA (SOPAC, Thirteenth Air Force): 23 B-25s bomb Lakunai; 31 fighter-bombers hit Ralum supply areas while 22 others strike Vunapope; and during the night of 8/9 Apr, 7 B-25s fly heckling missions against Rabaul. 394th Bombardment Squadron (Heavy), 5th Bombardment Group (Heavy), ceases operating from Munda; the squadron is based on Guadalcanal Island with B-24s.
SOUTHWEST PACIFIC AREA (SWPA, Fifth Air Force): 55 B-25s bomb the Aitape area while B-24s and A-20s hit Wewak, Boram, Cape Moem, AA positions along Hansa Bay, and barges SE of Mushu Island and in the Wagol River; and P-39s hit troops, barges, and bridges in the Madang, Awar, Bogia and Bunabun areas. Lost is B-24J "Super" 42-73338. 675th Bombardment Squadron, 417th Bombardment Group , moves from Dobodura to Saidor with A-20s.