High levels of motivation and physical fitness are required to complete the CSOR Assessment Centre, which is a crucial phase of the selection.

On 13 August 2006, an official stand-up ceremony for CSOR took place at the unit's home station, Canadian Forces Base (CFB) Petawawa, with approximately 250 soldiers participating.

The regiment suffered its first casualty on 24 June 2011: Master-Corporal Francis Roy died in a non-combat incident while deployed in Kandahar Province, Afghanistan.

[7] In March 2015, Sgt Andrew Joseph Doiron was killed by friendly fire while serving on Operation Impact in Iraq.

[10] On December 5, 2024, the unit received the first regimental standard flag during a ceremony led by Governor General Mary Simon.

[11] The main goal of the CSOR is to execute missions abroad or in Canada on behalf of the Canadian government.

CSOR participates in the CANSOFCOM commitment to Operation Impact, the Canadian Armed Forces' support to the international military intervention against ISIL in Iraq and Syria.

[20] Due to the Taliban offensive in 2021, CSOR operators were deployed to Afghanistan to assist Canadian embassy staff to leave and destroy anything sensitive.