|498th Nuclear Systems Wing|
498th Nuclear Systems Wing emblem
|Branch||United States Air Force|
|Part of||Air Force Material Command|
|Garrison/HQ||Kirtland Air Force Base|
|Colonel Henry Andrews Jr.|
World War II
The wing was initially established as the 498th Bombardment Group, Very Heavy on 19 November 1943. The group remained unmanned until it was activated on 20 November 1943. The group was established at Clovis Army Air Field, New Mexico, and assigned to Second Air Force. It was to be a B-29 Superfortress group. The unit was formed with four bomb squadrons (873d, 874th, 875th and 876th), all being newly-constituted.
It moved to Great Bend Army Air Field, Kansas in December 1943 to begin training. Due to a shortage of B-29s, the group was equipped with former II Bomber Command B-17 Flying Fortresses already at Great Bend which were previously used for training heavy bomber replacement personnel. In the spring of 1944, it finally received newly-manufactured B-29 Superfortresses. In May shortages in aircraft and equipment led to the 876th Bomb Squadron being inactivated (10 May 1944), with its personnel being consolidated into other group squadrons (the 880th would be reactivated in August as part of the 383d Bombardment Group).
The 498th Bombardment Group operated very heavy (B-29 Superfortress) bombardment aircraft against Japan as part of Twentieth Air Force. Its aircraft were identified by a "T" and a square painted on the tail.
As a three squadron group, the 498th Group moved to the Mariana Islands in the North Pacific in September 1944, being assigned to the 73d Bombardment Wing, XXI Bomber Command, at Isely Field, Saipan. Upon arrival the group's personnel were engaged in Quonset hut construction. By mid-October most personnel were able to move into the huts from the initial tents in which they were accommodated on arrival. The group began operations with its first combat missions against Iwo Jima and the Truk Islands. Took part in the first attack (24 November 1944) on Japan by AAF planes based in the Marianas. Conducted numerous attacks against industrial targets in Japan, flying in daylight and at high altitude to carry out these missions.
The group received a Distinguished Unit Citation for striking an aircraft engine plant at Nagoya on 13 December 1944. Began flying missions at night in March 1945, operating from low altitude to drop incendiaries on area targets in Japan. The 498th BG received second DUC for incendiary raids. on urban industries near Kobe and Osaka during June 1945. Operations also included strikes against Japanese airfields during the Battle of Okinawa in April 1945. The group released propaganda leaflets over the Japanese home islands, July–August, continuing strategic bombing raids and incendiary attacks until the Japanese capitulation in August 1945.
In November 1945 the unit returned to the United States; initially being assigned to Continental Air Forces's (CAF) Fourth Air Force at March Field, California. At March Field, the 514th Bombardment Squadron joined the group; it previously being a Fifteenth Air Force B-24 Liberator squadron based in Italy, having been returned to the United States in May and was undergoing B-29 Very Heavy Bomber upgrade training in Nebraska when its former assigned group, the 376th Bombardment Group, was inactivated.
In January 1946, the 73d Bombardment Wing and the 498th Group under it was reassigned to the CAF Third Air Force at MacDill Field, Florida. It later was transferred to the new Strategic Air Command on 21 March 1946, being one of SAC's initial bombardment groups. Demobilization, however, was in full swing and the group turned in its aircraft and was inactivated on 4 August 1946. The 514th and 875th Bombardment Squadrons ended their service with the group that day. Its B-29 aircraft, personnel and equipment were retained, redesignated as the senior 307th Bombardment Group. The 307th Bombardment Group was activated at MacDill on the same day.
The unit was redesignated and reactivated as the 498th Tactical Missile Group at Kadena Air Base, Okinawa, on 16 September 1960. It was organized on 8 Feb 1961. It was equipped with the TM-76B Mace surface-to-surface missile. The Mace was a third-generation tactical USAF missile, a follow-up of the MGM-1 Matador which had been developed in the late 1940s and early 1950s from the World-War II-era Republic-Ford JB-2. Two of the unit's World War II bomb squadrons were reactivated, the 873d and 874th Tactical Missile Squadrons to man and operate the missile sites. The Group was assigned directly to Pacific Air Forces.
The presence of the Mace missile was a sensitive matter between the United States and Japan, even though the United States still formally occupied Okinawa. The presence of the nuclear-armed Mace missile on Japanese soil was considered so sensitive that Secretary of Defense Robert S. McNamara directed in early 1962 that the existence of the TM-76B weapons system on Okinawa "was not to be publicized in any way." McNamara directed that the "missile, warhead section, and nose sections be transported to and from the launch sites under a canvas cover." Fearing political maneuvering and protests from Communist sympathizers on Okinawa and in Japan, the 498th TMG was directed to be "identified by initials only."
The group's existence was short, as in 1965, Secretary McNamara decided that the Army's MGM-31 Pershing missile should replace the USAF's Mace, mainly because of the Pershing's high-speed launch ability. The unit was inactivated on 8 July 1969, and the missiles returned to the United States and were expended as full-size target drones. Air Force Historical Research Agency records give the final formal date of inactivation as 31 December 1969.
The wing was redesignated as 498 Armament Systems Wing on 14 Feb 2006. It was activated on 31 Mar 2006. Redesignated as 498 Nuclear Systems Wing on 1 April 2009. The 498 NSW is responsible for integrating nuclear weapons and nuclear weapon system requirements and resources to deliver operational capabilities to the war-fighters. The wing ensures safe, secure, reliable and sustainable nuclear weapons, delivery support equipment and infrastructure are operationally ready to support national security requirements.
As part of the Air Force Materiel Command, the 498 NSW partners and customers are: Air Force Global Strike Command, U.S. Air Forces in Europe, Air Mobility Command, Air Education and Training Command, NATO, U.S. European Command, U.S. Strategic Command, Air Force Safety Center, Defense Threat Reduction and Los Alamos, Sandia and Lawrence Livermore National Laboratories.
- 498th Missile Sustainment Division, Tinker AFB, Oklahoma
- 498th Nuclear Systems Division
- 498th Munitions Maintenance Group, Whiteman AFB, Missouri
- 798th Munitions Maintenance Group, Minot AFB, North Dakota
The 498th Munitions Maintenance Group squadrons perform in-depth maintenance on Air Force and Department of Energy assets from around the world. Their objective is to deliver all munitions and support to the correct location on time and in prime operating condition.
Assignments, components, stations, and equipment
- 73d Bombardment Wing, 20 Nov 1943
- Fifteenth Air Force, 19 May – 4 Aug 1946
- Pacific Air Forces, 16 Sep 1960
- 13th Air Division, 8 Feb 1961 – 31 Dec 1969
- Nuclear Weapons Center, 31 Mar 2006 – present
Aircraft and missiles
- B-17 Flying Fortress, 1944
- B-29 Superfortress, 1944-1946
- RB-24 Liberator, 1944
- MGM-13 Mace missile, 1961-1969.
- Air Force Historical Research Agency, 498 Nuclear Systems Wing (AFMC), accessed June and November 2011
- Maurer, Maurer (1983). Air Force Combat Units Of World War II. Maxwell AFB, Alabama: Office of Air Force History. ISBN 0-89201-092-4.
- George Mindling and Robert Boulton, 'US Air Force Tactical Missiles 1949-1969: The Pioneers', Lulu Press, via http://www.mace-b.com/38TMW/Kadena/kadena.htm, accessed November 2011
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