The Canada Ukraine Surgical Aid Program – CUSAP is a humanitarian surgical aid initiative that provides life-changing care to patients affected by the war in Ukraine. The surgery mission model is based on the organization and mobilization of a self-sufficient multidisciplinary surgical team comprising all requisite staff, surgical hardware and supplies. The goals of the program are to provide comprehensive state-of-the-art multidisciplinary trauma care and post-trauma reconstruction to both civilian and military casualties of war in Ukraine, and to provide support to Ukrainian health care professionals through education in trauma reconstruction.