Korean War two years of fighting became a war of attrition, with the front line close to the 38th parallel. The war in the air, however, was never a stalemate. North Korea was subject to a massive bombing campaign. Jet fighters confronted each other in air-to-air combat for the first time in history, and Soviet pilots covertly flew in defense of their communist allies. The fighting ended on 27 July 1953, when an armistice was signed. The agreement created the Korean Demilitarized Zone to separate North and South Korea, and allowed the return of prisoners. However, no peace treaty was ever signed,
Canada in the Korean War Canadian Army Medical Corps rotated in and out of the war. Three Royal Canadian Navy (RCN) destroyers were dispatched as Canada's initial response to the United Nations' call for assistance during the Korean War, and were sent to Korean waters to join other UN naval forces. The eight Canadian ships' duties included "exciting but dangerous" shore bombardments and the destruction of North Korean trains and railway lines. Initially dispatched in 1950, Canadian destroyers maintained a presence off the Korean peninsula until 1955. The ships were first under fire during the bombardment of Inchon in the middle of January 1951. The