RCR meaning in Military and Defence ?

The Royal Canadian Regiment (The RCR) is an infantry regiment of the Canadian Army. The regiment consists of four battalions, three in the Regular Force and one in the primary reserve. The RCR is ranked 9th in the order of precedence amongst Canadian Army regiments, but is the most senior infantry regiment that has regular force battalions.

The RCR was originally authorized as the Infantry School Corps on 21 December 1883, and established its first three company stations at Fredericton, New Brunswick; St Jean, Quebec; and Toronto, Ontario. In 1887 a fourth company was authorized and the next year was established at London, Ontario. Now consisting of three Regular Force battalions and one Reserve Force battalion, the regiment's four battalions are now stationed in Ontario and New Brunswick. With many of its soldiers drawn from Ontario and the Atlantic Provinces in recent decades, the regiment maintains a general connection as the "local" infantry regiment for anglophone eastern Canada.

The RCR maintains a Regimental Headquarters (RHQ) in Petawawa, Ontario, which has no operational command role but handles regimental affairs outside the responsibility of the individual battalions. The Royal Canadian Regiment Museum is located within historic Wolseley Hall in London, Ontario. Wolseley Barracks in London has been continuously occupied by some element of the regiment since construction of Wolseley Hall was completed in 1888. At various times Wolseley Barracks has been the home of the Regimental Headquarters, the 1st and 2nd Battalions, and remains the home of the 4th Battalion today.