58th Expeditionary Military Intelligence Brigade

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58th Expeditionary Military Intelligence Brigade
58th Infantry Brigade SSI.svg
Shoulder sleeve insignia
Active 1971–1985, 2006 – present
Country  United States
Branch  United States Army
Type Military Intelligence Brigade
Size Brigade
Part of Maryland Army National Guard
Motto(s) Thunder
Engagements Iraq Campaign
COL Brian T. Connelly
John M. Palmer (World War I)
Distinctive unit insignia 58InfBdeCmbtTeamDUI.jpg
58th soldiers conduct training

The 58th Expeditionary Military Intelligence Brigade is a military intelligence brigade of the United States Army National Guard in Maryland. It is largely formed from the personnel and equipment of the 58th Battlefield Surveillance Brigade and officially stood up in its new configuration on 1 August 2015.[1]


The 58th Infantry Brigade Combat Team was one of the primary units of the Maryland Army National Guard. It consisted of an infantry brigade combat team (IBCT) format of two infantry battalions, one light cavalry squadron, one towed artillery battalion, a brigade support battalion and a special troops battalion. It deployed overseas for combat service in the Iraq theater during the War on Terror in 2007. This is the brigade's first combat deployment, although some of its subordinate units served in prior wars.

The unit was originally organized in 1917 as one of the 29th Infantry Division's two infantry brigades, and originally consisted of the 115th Infantry Regiment (Maryland) and 116th Infantry Regiment (Virginia). In 1963, the Brigade was revived as the 3rd Brigade, 29th Infantry Division. In 1968, it was redesignated as the 3rd Brigade, 28th Infantry Division when the 29th Infantry Division was inactivated. In 1976, it was disassociated from the 28th Infantry Division and reorganized as the 58th Infantry Brigade (Separate). When the 29th Infantry Division reactivated in 1985, the brigade again assumed the "3rd Brigade" designation. It maintained this designation until 2006, when it was redesignated as part of its transformation into a modular brigade.

By FY 2007, as part of the overall shift to "more tooth, less tail," Army National Guard brigades are planned to be reorganized to form 34 brigade units following the modular design of the Active Army. The brigade headquarters is in Towson, Maryland, with major subordinate units headquartered Dundalk, Maryland; Annapolis, Maryland; Hagerstown, Maryland; Easton, Maryland; and Ellicott City, Maryland.

A front-page article in the July 22, 2015 issue of The Baltimore Sun,[2] continued on page 14, covered the final parachute jump of Troop C (LRS), 1st Squadron, 158th Cavalry Regiment. The squadron was reorganized and reflagged as the 629th Expeditionary Military Intelligence Battalion and the LRS unit was inactivated. As part of the reorganization, the brigade was redesignated as the 58th Expeditionary Military Intelligence Brigade, and the 729th Brigade Support Company was redesignated as the 729th Quartermaster Composite Supply Company.

On November 8, 2015 an inactivation ceremony was held for the brigade's 1st Squadron (R&S), 158th Cavalry Regiment at the unit's armory in Annapolis, Maryland.[3]

Current Units[edit]

Former Units[edit]

  • 1st Squadron, 158th Cavalry Regiment (inactivated on 8 November 2015)[4][5]
  • 2nd Battalion, 200th Infantry Regiment (NM ARNG) (no longer part of the brigade)
  • 2nd Battalion, 110th Field Artillery Regiment (inactivated in late 2008; insignia redesignated for the 110th Information Operations Battalion)[6]
  • 729th Brigade Support Battalion (inactivated 2009; reduced in size and reorganized as the 729th Support Company)[7]
  • Special Troops Battalion, 58th Brigade Combat Team (inactivated 2009)
  • 629th Signal Company (Network Support)

The 1st Squadron, 158th Cavalry Regiment included Troop C (LRS), which previously existed under the designation 129th Infantry Detachment (LRS) and Company E (LRS), 629th Military Intelligence Battalion when the LRS unit was under the 29th Infantry Division. Troop C was the only Airborne unit within the 58th BfSB.


  1. ^ 58th EMIB Change of Command, 4 August 2015. Retrieved 18 August 2016.
  2. ^ http://eedition2.baltimoresun.com/Olive/ODE/BaltimoreSun2/
  3. ^ Jedra, Christina (8 November 2015). "'End of a chapter': National Guard deactivates historic squadron". Capital Gazette. Retrieved 11 August 2017. 
  4. ^ http://www.ng.mil/news/archives/2009/05/050409-Range.aspx?src=rss
  5. ^ 158th Cavalry Regiment heraldry, The Institute of Heraldry (TIOH), 4 November 1981. Retrieved 18 August 2016.
  6. ^ 110th Information Operations Battalion heraldry, The Institute of Heraldry (TIOH), 1 September 2009. Retrieved 18 August 2016.
  7. ^ 729th Support Battalion heraldry, The Institute of Heraldry (TIOH), 28 September 1992. Retrieved 18 August 2016.

Additional information[edit]