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104th Fighter Squadron

104th Fighter Squadron
Active 1921–present
Country  United States
Allegiance  Maryland
Branch   Air National Guard
Type Squadron
Role Ground Support
Part of Maryland Air National Guard
Garrison/HQ Warfield Air National Guard Base, Middle River, Maryland
Tail Code "MD"
104th Fighter Squadron emblem

The 104th Fighter Squadron (104 FS) is a unit of the Maryland Air National Guard 175th Wing stationed at Warfield Air National Guard Base, Middle River, Maryland. The 104th is equipped with the A-10 Thunderbolt II.

The squadron is a descendant organization of the 104th Squadron (Observation), which was formed on 29 June 1921. It is one of the 29 original National Guard Observation Squadrons of the United States Army National Guard formed before World War II and is the oldest unit of the Maryland Air National Guard.


  • Heraldry 1
  • History 2
    • Maryland National Guard 2.1
    • World War II 2.2
    • Maryland Air National Guard 2.3
      • Air Defense Command 2.3.1
      • Tactical Air Command 2.3.2
      • Modern era 2.3.3
    • Lineage 2.4
    • Assignments 2.5
    • Stations 2.6
    • Aircraft 2.7
  • See also 3
  • References 4
  • External links 5


Unit Emblem: A caricature of a Baltimore Oriole (black and orange) in a boxing stance, with wings represented as arms wearing boxing gloves, in front of a yellow lightning flash descending diagonally downward on and over a blue irregular curved background (Approved 21 September 1953)


Maryland National Guard

A Consolidated O-17 assigned to the Maryland National Guard's 104th Observation Squadron during a mission on 11 September 1931.
Maryland National Guard O-38B, used from 1932 to 1937
Three Douglas O-46A and three North American O-47 aircraft assigned to the Maryland National Guard's 104th Observation Squadron conduct a training sortie on 1 March 1940. Less than a year later, the 104th was mobilized in anticipation of World War II.

In personnel, if not in official lineage, the 104th Fighter Squadron can trace its origins to 1920 when the Flying Club of Baltimore was organized for former World War I Army Air Service reserve officers of that city. This club became part of the Maryland National Guard in 1921 when Maryland formed one the nation's first post-war flying units with the creation of the 1st Observation Squadron in Baltimore which received federal recognition on 29 June 1921.

Maryland became the fifth state to have a post-World War I National Guard aviation unit. The 1st Observation Squadron (a state designation) was re-designated the 104th Squadron (Observation) under the federal numbering system. At the time, the number 104 was widely used to designate combat support units in the Maryland National Guard, including the 104th Medical Regiment and the 104th Military Police Battalion.

The 104th became the first post-World War I United States National Guard unit to be equipped with its own aircraft, 13 Curtiss JN-4 Jennies, which it flew until 1923. Initially assigned as division aviation for the 29th Infantry Division, the unit operated out of Baltimore's Logan Field. In addition to Jennies, the 104th flew a variety of other aircraft during the interwar period, almost all of them two-seat biplanes.

Conducted annual summer training at various locations to include Langley Field, VA; Shepard Field, Martinsburg, WV; Middletown Air Depot, PA; and at Detrick Field, Frederick, MD.

World War II

At the outset of World War II the 104th became part of the Antisubmarine Patrol used along the East Coast. Initially operating out of the Fort Dix Army Airfield, squadron was moved to the Atlantic City Municipal Airport, as part of the 59th Observation Group using O-46 and O-47 aircraft fling coastal patrol missions. On 18 October 1942, the 104th was inactivated and its personnel and aircraft transferred to the 517th Bombardment Squadron. The 517th was soon moved to Langley Field, Virginia, where it was re-designated as the 12th Antisubmarine Squadron and equipped with B-18 Bolo, and later B-24 Liberator and B-25 Mitchell bombers configured for antisubmarine attack missions.

By this time most of the original Maryland National Guard members had been transferred elsewhere as individual replacements, although a handful were still serving with the unit when it deployed to England and flew B-24 Liberators as part of the Eighth Air Force 492d Bombardment Group in 1943, to which the 517th Bomb Squadron was eventually assigned to as the 859th Bombardment Squadron. There is no official lineage however, between the 104th Observation Squadron and the 859th Bombardment Squadron.

Meanwhile, the designation of the 104th Observation Squadron was re-activated and became the 104th Reconnaissance Squadron on 1 March 1943. Equipped with

Maryland Air National Guard

104th Fighter Squadron - F-47 Thunderbolts 1947

The wartime 489th Fighter Squadron was reconstituted on 21 June 1945 and re-designated as the 104th Fighter Squadron, and was allotted to the Harbor Field, Baltimore, Maryland, and was extended federal recognition on 17 August 1946 by the National Guard Bureau. The 104th Fighter Squadron was bestowed the lineage, history, honors, and colors of the 489th Fighter Squadron and all predecessor units. It was initially equipped with F-47D Thunderbolts.

Air Defense Command

U.S. Air Force Col. John F.R. Scott, a pilot with the Maryland Air National Guard, prepares to board a North American F-86H-10-NH Sabre (s/n 53-1397) of the 104th Tactical Fighter Squadron.

The squadron was one of the first in the Air National Guard and was operationally gained by the Air Defense Command First Air Force. As the ANG command and control echelons were formed, the 104th came under the administrative control of the PA ANG 53d Fighter Wing, although operational control was retained by the Maryland ANG. The mission of the squadron was the air defense of the Baltimore-Washington Area and the squadron operated a flight from Andrews AFB to better defend Washington, D.C. airspace, and Friendship Airport (now BWI Airport) to better defend the Washington-Baltimore corridor.

With the surprise invasion of South Korea on 25 June 1950, and the regular military's complete lack of readiness, most of the Air National Guard was federalized placed on active duty. The Maryland Air National Guard was not federalized, however its aircraft were replaced by very long distance F-51H Mustangs in 1951 to better carry out its air defense mission.

By 1955 the Mustangs were at the end of their operational lifetime, and the Air Force issued a directive to ADC to replace all of its interceptor force with Jet Aircraft. As a result, the 104th entered the jet age and received Korean War veteran F-86E Sabres to replace its propeller driven Mustangs which were retired. However Baltimore Harbor Field was better suited to propeller-driven aircraft due to its location in a congested urban area, so the squadron was moved to the west; being relocated at Glenn L. Martin Company Airport on 1 July 1957 whose longer runway was necessary to support jet operations. Also, the detachments at BWI Airport and Andrews AFB were withdrawn in 1957.

Tactical Air Command

104th Fighter Interceptor Squadron F-86Hs during 1968 Pueblo Crisis, Cannon AFB, New Mexico painted in Southeast Asian Camouflage Motif North American F-86H-10-NH Sabre 53-1511 in foreground, tail of 53-1255 also shown. 53-1511 now on display at Museum of Aviation, Robins AFB, Georgia

In 1957 the gaining command of the 104th was transferred to Tactical Air Command (TAC), and the squadron received the post-Korean War North American F-86H Sabre. The F-86H was a fighter-bomber version of the Sabre designed for TAC and was transferred to the ANG by TAC units being upgraded to the F-100 Super Sabre. The air defense of Baltimore and Washington, however, was retained as a secondary mission and the squadron remained under the administrative control of the PA ANG 111th Air Defense Wing, the successor unit to the 53d Fighter Wing. On 10 November 1958 the squadron was re-designated as a Tactical Fighter Squadron. The 104th flew the F-86H for over a decade, remaining in service until well after the United States had committed itself to the Vietnam war. However, no F-86Hs ever went overseas to participate in that conflict, the fighter-bomber mission in Vietnam being flown by F-100s, F-105s and F-4C Phantom IIs.

On 1 October 1962, the 104th was authorized to expand to a group level, and the 175th Tactical Fighter Group was federally recognized and activated by the National Guard Bureau. The 104th TFS becoming the group's flying squadron. Other squadrons assigned into the group were the 175th Headquarters, 175th Material and Supply Squadron, 175th Combat Support Squadron, and the 175th USAF Dispensary. With the formation of the 175th TFG, all administration of the unit by the 111th ADW ended.

On 13 May 1968 the 175th Tactical Fighter Group was federalized and ordered to active service. It was transferred to Cannon Air Force Base, New Mexico along with the NY ANG 139th Tactical Fighter Squadron and 174th Tactical Fighter Squadron as well as the 104th TFS. At Cannon AFB, the Group's mission was to act as a filler unit for the 27th Tactical Fighter Wing which were deployed to the Vietnam War. At Cannon, the squadron trained active Air Force pilots in forward air controller duties. The unit did not deploy overseas. The units were returned to New York and Maryland state control on 20 December 1968 when the TAC 4429th Combat Crew Training Squadron was activated with regular active-duty Air Force personnel.

In 1970 the 175th TFG was realigned from a Tactical Fighter mission to a Special Operations mission when the F-86H Sabres were transferred after being with the 104th TFS for thirteen years. The 104th was one of the last ANG units to fly the F-86. The Sabres, however, were not retired, but instead transferred to the United States Navy which used them both as target drones and as MiG simulators for TOP GUN aggressor training. The F-86H had a similar size, shape, and performance as the MiG-17 fighter then being encountered over North Vietnam, and many a Navy F-4 pilot was "killed" by a F-86H Sabre during these mock battles.

A-10 Thunderbolt II assigned to the 104th Expeditionary Fighter Squadron, assigned to the 455th Air Expeditionary Wing taking off at Bagram Airfield, Afghanistan, June 28, 2012.

In return, the 104th TFS received Cessna A-37 Dragonfly counter-insurgency aircraft. In the Vietnam War, the A-37 was a very effective ground support aircraft that was simple to operate, maintain and fly. The mission of the 104th was to train in the aircraft to support Air Force and Army special forces personnel and units. In 1974, after the end of American participation in Vietnam, the unit began supporting the Military Assistance Program (MAP) by supplying training to Latin American Air Forces. In addition, in the OA-37 configuration, the aircraft was used as a Forward Air Control (FAC) aircraft, that replaced the aging O-2 Skymaster. In the OA-37 configuration, the aircraft was equipped with small rocket pods, usually with smoke or white phosphorus warheads used for target marking.

In 1979, the 175th was the first Air National Guard unit to receive the A-10 Thunderbolt II ground support aircraft. The 104th received brand new A-10A Thunderbolt II attack aircraft from the factory in Hagerstown, Maryland. The unit continues to fly the latest version (A-10C) of the famed tank killer to this day.

Modern era

Early in the 1990s with the declared end of the Air Combat Command (ACC).

A 104th Expeditionary Fighter Squadron A-10 Thunderbolt II sits on the aircraft ramp ar Bagram Airfield, in Afghanistan, 2012

On 15 June 1996, in accordance with the Air Force "One Wing, One Base" directive, the units of the Air Mobility Command-gained airlift unit, a United States Air Forces in Europe-gained civil engineer flight, and, since 2006, a network warfare squadron.

In mid-1996, the Air Force, in response to budget cuts, and changing world situations, began experimenting with Air Expeditionary organizations. The Air Expeditionary Force (AEF) concept was developed that would mix Active-Duty, Reserve and Air National Guard elements into a combined force. Instead of entire permanent units deploying as "Provisional" as in the 1991 Gulf War, Expeditionary units are composed of "aviation packages" from several wings, including active-duty Air Force, the Air Force Reserve Command and the Air National Guard, would be married together to carry out the assigned deployment rotation.

Since Sept. 11, 2001, members of the 175th Wing have repeatedly volunteered or been mobilized to take part in the Global War on Terrorism. From January to June 2003, the 104th Expeditionary Fighter Squadron was formed and deployed to Bagram Air Base, Afghanistan, where it flew strikes against Taliban and al Qaeda forces and earned the distinction of being the longest-deployed Air National Guard fighter squadron at Bagram.


104th Observation Squadron emblem, 1920s
1994 Operation Deny Flight patch
Operation Iraqi Freedom deployment patch, 2006
  • Constituted in the National Guard in 1921 as the 104th Squadron (Observation) and allotted to the state of Maryland
Organized and Federally recognized on 29 June 1921
Re-designated 104th Observation Squadron on 25 Jan 1923
Ordered into active service on 3 Feb 1941
Re-designated: 104th Observation Squadron (Light) on 13 Jan 1942
Re-designated: 104th Observation Squadron on 4 Jul 1942
Inactivated on 18 Oct 1942
  • Activated on 1 Mar 1943
Re-designated: 104th Reconnaissance Squadron (Fighter) on 2 Apr 1943
Re-designated: 489th Fighter Squadron on 11 Aug 1943
Disbanded on: 1 May 1944.
  • Reconstituted on 21 Jun 1945
Re-designated: 104th Fighter Squadron and allotted to Maryland ANG on 24 May 1946
Extended federal recognition on 17 Aug 1946
Re-designated: 104th Fighter-Interceptor Squadron in Aug 1951
Re-designated: 104th Fighter-Bomber Squadron on 1 Dec 1952
Re-designated: 104th Fighter-Interceptor Squadron in Jun 1956
Re-designated: 104th Tactical Fighter Squadron on 10 Nov 1958
Federalized and ordered to active service on: 13 May 1968
Released from active duty and returned to Maryland control, 20 December 1968
Re-designated: 104th Fighter Squadron on 15 Mar 1992
Components designated as: 104th Expeditionary Fighter Squadron when deployed as part of an Air and Space Expeditionary unit after June 1996.


Gained by First Air Force, Air Defense Command



See also


 This article incorporates public domain material from websites or documents of the Air Force Historical Research Agency.

  • Maurer, Maurer. Combat Squadrons of the Air Force: World War II. Maxwell Air Force Base, Alabama: Office of Air Force History, 1982.
  • Clay, Steven E. (2011), US Army Order of Battle 1919-1941. 2 The Services: Air Service, Engineers, and Special Troops 1919-1941. Fort Leavenworth, KS: Combat Studies Institute Press. ISBN 9780984190140.
  • 104th Fighter Squadron lineage and history
  • 2011 Marks Three Anniversaries for MDANG
  • 175th Wing
  • Turnbull and Ray Epitomized "Greatest Generation"

External links

  • Maryland National Guard
  • Maryland Military Historical Society
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