The 503rd Infantry Regiment and the 2nd Infantry Division are both formations of what military branch
503rd Infantry Regiment (United States) The 503rd Infantry Regiment, formerly the 503rd Parachute Infantry Regiment (PIR) and the 503rd Airborne Infantry Regiment (AIR), is an airborne infantry regiment of the United States Army. The regiment served as an independent regiment in the Pacific War during World War II; at Fort Campbell, Kentucky; in Okinawa, Japan; and in Germany. Regimental elements have been assigned to the 2nd Infantry Division, the 11th Airborne Division, the 24th Infantry Division, the 82nd Airborne Division, and the 173rd Airborne Brigade Combat Team. Regimental elements have participated in campaigns in the Vietnam War, Operation Enduring Freedom–Afghanistan, and Operation Iraqi Freedom. The regiment claims 15 Medal of Honor recipients: two from World War II, 10 from Vietnam, and three from Afghanistan. A parent regiment under the U.S. Army Regimental System. The regiment's 1st and 2nd Battalions are active, assigned to the 173rd Airborne Brigade, based at Caserma Ederle, Vicenza, Italy.
2 Military Police Regiment (Canada) 2 Military Police Regiment (2 MP Regt) is a unit of the Canadian Forces. It provides support to the Canadian Army within the Province of Ontario. It does not provide support to Canadian Forces Bases Borden, Trenton and North Bay and Canadian Forces Support Unit (Ottawa). The unit was initially created in the summer of 2006. Since then, the unit was officially established with the creation of a Ministerial Organization Order (MOO) and a Canadian Forces Organization Order (CFOO) dated September 24, 2007. It is a "total force" unit of the Land Force Military Police Group (LF MP Gp). The term "total force" describes a unit which includes both Regular Force and Reserve Force members. 2 MP Regt is responsible for police, security and detention operations as well as police support in field operations. The unit headquarters is located at The George Taylor Denison III Armoury, more commonly known as Denison Armoury, in Toronto, Ontario. The strength of 2 MP Regt totals just under 300 personnel. Since the Transfer of Command Authority (TOCA) on 1 April 2011, 2 MP Regt is under the full command of the Canadian Forces Military Police Group CF MP Gp through the CA MP Gp, and attached Operational Command (OPCOM) to the 4th Canadian Division (4 Cdn Div). The unit is commanded by a Major as the Commanding Officer (CO) and the unit has a Master Warrant Officer who is the Regimental Sergeant Major (RSM). The CO of 2 MP Regt reports directly to the Commander of the Land Force Military Police Group, as well as the Commander of 4 Cdn Div. The CO has a dual function as Commanding Officer and Division Provost Marshal.