books.google.com.au - Deemed unsuitable for the Channel Front, lend-lease Tomahawks and Kittyhawks instead became the staple fighters of the Desert Air Force in 1941-42, flying with RAF, South African and Australian squadrons in North Africa and the Middle East. Although usually outclassed by the Bf 109, a number of pilots...http://books.google.com.au/books/about/Tomahawk_and_Kittyhawk_Aces_of_the_Raf_a.html?id=1yH8EJzhyYcC&q=astern&utm_source=gb-gplus-shareTomahawk and Kittyhawk Aces of the Raf and Commonwealth
