Question: The M63, is a combat helmet of South African origin, based on the French Modèle 1951 helmet, the M63 replaced the Brodie helmet, a British type, and steel combat helmet designed and patented in London in which year, by John Leopold Brodie?
Sentence (from "M63 helmet"): Based on the French Modèle 1951 helmet, the M63 replaced the British type Brodie helmets during the early 1960s, and saw extensive use during the Rhodesian and Angolan bush wars.
Relevant evidence: Yes