American missions against Yap Island
April 1, 1944–March 25, 1945

April 1, 1944
(USN) Fifth Fleet force, built around Task Force 58 under the command of Vice Admiral M. A. Mitscher with 11 carriers, launched a series of attacks on Yap.

June 16, 1944
(FEAF) Yap is hit by B-24s.

June 22, 1944
(FEAF) B-24s bomb Yap.

June 23, 1944
(FEAF) B-24s hit the airfield at Yap.

June 25, 1944
(FEAF) B-24s bomb Yap. Shot down by Zeros is B-24J 44-40598 (MIA).

June 26, 1944
(FEAF) B-24s bomb targets on Yap.

June 27, 1944
(FEAF) B-24s bomb Yap.

June 28, 1944
(FEAF) B-24s bomb the airfield and town on Yap.

July 1, 1944
(FEAF) A few B-24s on armed reconnaissance bomb targets on Yap.

July 3, 1944
(FEAF) B-24s hit airstrips, AA positions, and targets of opportunity in the Yap.

July 4, 1944
(FEAF) B-24s bomb Yap.

July 5, 1944
(FEAF) B-24s bomb airstrips and AA guns on Yap.

July 6, 1944
(FEAF) B-24s bomb the town and warehouse area of Yap.

July 7, 1944
(FEAF) B-24s bomb Yap.

July 9, 1944
(FEAF) B-24s bomb Yap.

July 10, 1944
(FEAF) B-24s bomb airfields and town areas at Yap.

July 12, 1944
(FEAF) B-24s bomb Yap.

July 13, 1944
(FEAF) B-24s bomb Yap.

July 14, 1944
(FEAF) B-24s continue to blast Yap.

July 15, 1944
(FEAF) B-24s blast Yap, scoring numerous hits in the town area and on a radio station and barracks area. Lost in an aerial collision are B-24J 42-73119 (MIA) and B-24J 44-40555 (MIA).

July 16, 1944
(FEAF) B-24s continue bombing Yap.

July 17, 1944
(FEAF) snooper missions against Yap.

July 18, 1944
(FEAF) B-24s strike Yap.

July 19, 1944
(FEAF) B-24s, striking in 2 waves, attack the airfield on Yap.

July 20, 1944
(FEAF) B-24s bomb the western part of Yap town.

July 21, 1944
(FEAF) B-24s again pound Yap, concentrating on the airfield; fighters, many dropping phosphorus bombs on the bomber formation, attack fiercely but ineffectively; the B-24s claim 7 fighters shot down.

July 22, 1944
(FEAF) B-24s attack the airfield on Yap.

July 23, 1944
(FEAF) B-24s bomb Yap, hitting the town area and airfield.

July 25-28, 1944
(USN) Task Force 58 preforms strikes on the Western Carolines, including Yap, taking photographic planes obtained intelligence of enemy defenses.

August 2, 1944
(FEAF) B-24s bomb the airfield at Yap.

August 3, 1944
(FEAF) B-24s bomb Yap.

August 4, 1944
(FEAF) B-24s bomb Colonia Airfield on Yap.

August 5, 1944
(FEAF) B-24s bomb personnel and supply areas on Yap.

August 6, 1944
(FEAF) Yap Island supply area is bombed by B-24s.

August 7, 1944
(FEAF) B-24s bomb power plant, AA positions, and barracks area on Yap.

August 8, 1944
(FEAF) B-24s bomb Yap and Gagil-Tomil, concentrating on airstrips.

August 9, 1944
(FEAF) B-24s blast AA positions in 3 different areas of Yap.

August 10, 1944
(FEAF) B-24s attack Yap, concentrating on AA positions, airfields and the town of Yap.

August 16, 1944
(USN) during the night, USS Burrfish (SS-312) surfaced and five frogmen "swimmers" Lt M. R. Massey, QM3c Warren Christensen, Leonard Barnhill, William Moore, and John MacMahon deploy a rubber boat and paddle to shore and anchored. The frogmen swam onto the reef and back and determined that discolored patches visible in aerial photography were only sea grass and not reeds that could strand a landing craft in a potential landing.

August 18, 1944
(USN) during the night, USS Burrfish (SS-312) surfaced and five frogmen "swimmers" led by CGM Howard “Red” L. Roeder with Chief John Ball, Emmet Carpenter, QM1c Robert A. Black, Jr. (OSS detached to UDT-10), and John MacMahon deploy a rubber boat and paddle to shore to conduct reconnaissance of the reef for a possible landing and never return to the boat or the rendezvous with the submarine and were listed as missing. Three were captured by the Japanese CGM Howard “Red” L. Roeder, John C. MacMahon and Robert A. Black. The three are the only frogmen and that became Prisoner Of War (POW) / Missing In Action (MIA) during World War II.

August 20, 1944
(7th AF) Saipan based B-24s hit Yap for the first time.

August 21, 1944
(7th AF) Saipan based B-24s hit Yap.

August 22, 1944
(7th AF) Saipan based B-24s bomb airfields on Yap.

August 23, 1944
(7th AF) B-24s from Saipan bomb Yap.

August 25, 1944
(7th AF) A B-24 bombs Yap.

August 26, 1944
(7th AF) A B-24 on armed reconnaissance bombs Yap.

August 27, 1944
(7th AF) Single B-24 bombs Yap.

August 28, 1944
(7th AF) A B-24 on armed reconnaissance bombs Yap.

August 29, 1944
(7th AF) A B-24 on armed reconnaissance bombs Yap.

August 30, 1944
(7th AF) A B-24 on armed reconnaissance from Saipan bombs Yap.

August 31, 1944
(7th AF) A single B-24 bombs Yap.

September 1, 1944
(7th AF) A single B-24 on armed reconnaissance bombs Yap.

September 2, 1944
(7th AF) Two Saipan based B-24s hit Yap.

September 3, 1944
(7th AF) A single B-24 on armed reconnaissance bomb Yap.

September 4, 1944
(7th AF) B-24s on armed reconnaissance, snooper mission, and training flight bomb Yap.

September 5, 1944
(7th AF) Two B-24s on armed reconnaissance hit Yap.

September 6, 1944
(USN) Lost over Yap due to anti-aircraft fire is F6F 58471 (MIA). Lost in a midair collision over Yap is F6F Hellcat 58713 (MIA) and F6F Hellcat 58675 (MIA).

September 8, 1944
(USN) Lost is F6F 58140 (pilot rescued) ditched off Yap.

October 13, 1944
(7th AF) B-24s from Saipan bomb Yap.

October 19, 1944
(7th AF) B-24s on armed reconnaissance from Saipan bomb a bridge, a pier, and the town area on Yap.

October 21, 1944
(7th AF) Two B-24s, in the first US air strike from Guam hit Yap.

October 22, 1944
(7th AF) B-24s hit Yap with harassment raids during the day, operating singly or in groups of 2 or 3.

October 23, 1944
(7th AF) Eight B-24s from Guam bomb Yap.

October 24, 1944
(7th AF) Guam based B-24s bomb Yap.

October 25, 1944
(7th AF) Four B-24s from Saipan and Guam on armed reconnaissance missions bomb Yap.

October 27, 1944
(7th AF) Two B-24s on armed reconnaissance from Saipan bomb Yap.

October 28, 1944
(7th AF) B-24s from Guam, hit Yap.

October 29, 1944
(7th AF) Two B-24s from Guam strike Yap.

October 30, 1944
(7th AF) Eight B-24s on armed reconnaissance missions from Guam bomb Yap.

November 22, 1944
(USN) Lost over Yap to anti-aircraft fire is F6F Hellcat 58638 (MIA).

March 25, 1945
(USN) Lost due to bad weather is F6F Hellcat piloted by Webber (MIA) over Yap.