The necessity to safeguard the armoured units through enemy aviation, squeezed the English military to create this self-propeller laden up with a Bofors 40 mm cannon, utilizing the hulls of Crusader armoured tank, considered out-dated by the conclusion of 1943. The cannon completed up being devote a tower with armoured plating capable guarantee the specified protection towards gunners. The Crusader AA was indeed distributed towards environment detachments the safety linked to control products by the conclusion of 1943. Some detachments reaches truth used through the whole French intrusion following the landing in Normandy, but due to the environment superiority for the allies, the German environment threats proved inexistent, this means using this self-propeller anti-aircraft wasn't many or null.
