Feb 17th 1945
ALASKA (Eleventh Air Force): 4 B-25s provide air coverage for a naval task force en route to Paramushiru .
CHINA THEATER (Fourteenth Air Force): In China, 30 B-25s bomb Linfen and Yuncheng; a single B-25 hits railroad targets of opportunity from Hengyang to Lingling; 27 P-40s and P-51s attack animal transport, barracks, railroad targets, and the town area at Puchi; 16 P-47s hit the Hankow-Wuchang area; 37 other fighter-bombers attack railroad yards and targets of opportunity and road and river traffic near Tsinan, Changsha, and Kweiyi, and at Sinyang, Linfen, and Lung Hai.
INDIA-BURMA THEATER (Tenth Air Force): 14 P-47s support ground forces in the Mongmit-Myitson area; 140+ fighter-bombers strike at troop concentrations, supply points, transport, animal concentrations, tanks, and arms and ammunition stores are pounded in N Burma including at Hko-lawng, Hai-pu, Na-kyeh, Man Sang, Samlan, Hkummanmao, Mong Lang, Na-leng, Honwo, and Loi-pyek; and 10 B-25s bomb troops and supplies at Hai-hseng. 603 transport sorties are flown. The detachment of the 24th Combat Mapping Squadron, 8th Photographic Reconnaissance Group, operating from Chanyi, China with F-7s returns to base at Guskhara.
AAFPOA (Seventh Air Force): 42 B-24s from Saipan blast defense installations and a bivouac area on Iwo Jima; 3 others, on an armed reconnaissance flight, bomb Marcus; 3 B-24s from Guam escorting a photo plane over Truk Atoll bomb Param, Uman, and Eten at Truk Lagoon. 5 B-24s from Saipan fly individual snooper strikes during the night of 17/18 Feb, against Chichi Jima. The air echelon of the 548th Night Fighter Squadron, VII Fighter Command, begins operating from Saipan with P-61s (ground echelon is enroute from Hawaii to Iwo Jima).
HQ AAF (Twentieth Air Force): Mission 35: 8 of 9 B-29s from Saipan bomb the submarine pens on Dublon, Truk Atoll without loss.
SOUTHWEST PACIFIC AREA [SWPA, Far East Air Force (FEAF)]: B-24s, with fighter support attack the airfield, railroad yard, and aluminum plant at Takao, Formosa. On Luzon , A-20s support ground forces in the Mariveles area and hit caves and dugouts in hills W of Ft Stotsenburg; A-20s, B-25s, and fighter-bombers attack Tuguegarao and the coastal town of San Fernando. B-24s pound Miri Airfield in Borneo. HQ 375th Troop Carrier Group moves from Biak to San Jose, Mindoro.
JAPAN: In Japan, aircraft from Task Force 58 (TF 58) under Vice Admiral Marc A. Mitscher bomb airfields, aircraft factories, and shipping in the Tokyo area.
IWO JIMA: Off Iwo Jima in the Bonin Islands, fire support ships, minesweeping units, and underwater demolition teams (UDT) arrive and encounter fire from shore batteries. UDT reconnaissance discloses that no underwater obstacles exist, and that the surf and beach conditions are suitable for landings. Infantry landing craft (gunboat) USS LCI(G)-474 is sunk by shore battery, while supporting UDT operations. Japanese guns also account for damage to the battleship USS Tennessee; heavy cruiser USS Pensacola and destroyer USS Leutze (DD-481); as well as to infantry landing craft (gunboats) USS LCI(G)-346, USS LCI(G)-348, USS LCI(G)-438, USS LCI(G)-441, USS LCI(G)-449, USS LCI(G)-450, USS LCI(G)-457, USS LCI(G)-466, USS LCI(G)-469, USS LCI(G)-471, and USS LCI(G)-473. On board the damaged USS LCI(G)-449, her commanding officer, Lieutenant Rufus G. Herring, although badly wounded, cons his crippled ship himself, maintaining her position in support of the unfolding UDT operations until she is able to move to safety. For his heroism, Herring is awarded the Medal of Honor.
The weather clears and aircraft from the Jeep carriers of TG 52.2 fly 226 sorties against airfield defenses on Iwo Jima. Surface ships bombard the island and 42 Seventh Air Force B-24s bomb from 5,000 feet.
PHILLIPINES: In the Philippines, the light cruisers USS Phoenix and USS Boise, along with three destroyers, provide call-fire support for continuing operations on Corregidor Island in Manila Bay. Light cruiser USS Cleveland and destroyers USS O'Bannon and USS Taylor bombard the Ternate area on the south shore of Manila Bay.
PACIFIC: In the Pacific, 13 Japanese ships are sunk by USN surface vessels, RN and USN submarines and USAAF and USN aircraft.
HAWAII: In Pearl Harbor, Territory of Hawaii, during diving operations in West Loch on the wreckage of tank landing ships (LSTs) sunk in the ammunition explosions in that area in 1944, Boatswain's Mate Second Class Owen F. P. Hammerberg risks his own life to save two fellow divers trapped while tunnelling under a wrecked LST. Although Hammerberg's efforts are successful, he suffers mortal injuries in a cave-in, to which he succumbs 18 hours later. For his heroism, Hammerberg is awarded the Medal of Honor, posthumously.