SD2:Humber AA

 is a British Anti-air unit in Steel Division II.

Background
Humber AA is the anti-aircraft version of the Humber Armored Car Mark I. Humber AA had a turret of  four 7.92 mm BESA machine guns. These Armored Cars were designed to provide air defense to Reconnaissance units. Because Allied Air Superiority, Humber AA were not needed and few were made.