unit seemingly last active in 1989. As the PA National Guard gained back an MP battalion, it was once again named the 165th based upon the PA ARNG's history. The 1st Battalion, 109th Infantry regiment was transferred to the 2nd Infantry Brigade Combat Team (2nd IBCT). The 3rd Battalion, 103rd Armor Regiment was reassigned to the 278th Armored Brigade Combat Team (278th ABCT), now designated the 278th Armored Cavalry Regiment (278th ACR) Tennessee Army National Guard, with operational control remaining with the Pennsylvania National Guard. Structure 28th Infantry Division (Mechanized) 28th Division Headquarters and Headquarters Battalion at Harrisburg, Pennsylvania 2nd Infantry Brigade Combat Team (2nd IBCT) 55th Maneuver Enhancement Brigade (55th MEB) (designation changed from 55th ABCT to 55 MEB February 20, 2016) 56th Stryker Brigade Combat Team (56th SBCT) 28th Expeditionary Combat Aviation Brigade (28th ECAB) headquartered at Fort Indiantown Gap. 213th Regional Support Group, headquartered at Allentown, Pennsylvania Headquarters and Headquarters Company (HHC) 109th Public Affairs Detachment (109th PAD) 1928th Contingency Contracting Team (1928th CCT) 1902nd Contingency Contracting Team (1902nd CCT) 1955th Contingency Contracting Team (1955th CCT) 108th Area Support Medical Company (108th ASMC) 728th Combat Support Sustainment Battalion (728th CSSB) Headquarters and Headquarters Company (HHC) 28th Finance Management Support Unit 528th Finance Detachment 628th Finance Detachment 828th Finance Detachment 928th Finance Detachment 213th Personnel Company 252nd Quartermaster Company 3622nd Maintenance Company 228th Transportation Battalion Headquarters and Headquarters Detachment (HHD) 131st Transportation Company 121st Transportation Company 1067th Transportation Company 721st Transportation Company 166th Regiment (Regional Training Institute), headquartered at Fort Indiantown Gap 1st Battalion (Maneuver) 2nd Modular Training Battalion 3rd Battalion Non-Commissioned Officer Academy (NCOA) Medical Battalion Training Site Eastern Army National Guard Aviation Training Site 3rd WMD Civil Support Team, Fort Indiantown Gap. (A Chemical, Biological, Radiological, Nuclear Event Unit to support homeland defense missions.) 3rd Chemical, Biological, Radiological, and Nuclear Task Force. Pennsylvania Task Force North Pennsylvania Task Force Fort Indiantown Gap See also :Category:Pennsylvania militiamen in the American Revolution List of Pennsylvania Civil War regiments Pennsylvania State Guard List of United States militia units in the American Revolutionary War References Further reading Weaver, Michael E. Guard Wars: The 28th Infantry Division in World War II.'' Indiana University Press, 2010. External links Bibliography of Pennsylvania Army National Guard History compiled by the United States Army Center of Military History GlobalSecurity.org, Pennsylvania Army National Guard State agencies of Pennsylvania Military units and formations established in 1870