 Complete the following phrase:  One a href526quot3B3820caliber20gun38a caliber dual-purpose gun was mounted on the stern. Anti-aircraft defense was provided by eight Bofors anti-aircraft guns in single mounts, as well as twelve Oerlikon cannons, which were mounted around the perimeter of the deck. By the end of the war, Casablanca-class carriers had been modified to carry thirty cannons, and the amount of Bofors guns had been doubled to sixteen, by putting them into twin mounts. These modifications were in response to increasing casualties due to kamikaze attacks. Casablanca-class escort carriers were designed to carry 27 aircraft, but the hangar deck could accommodate more. During the Mariana and Palau Islands campaign, she carried 16 FM-2 Wildcat fighters and 10 TBM-1C Avenger torpedo bombers for a total of 26 aircraft. However, during the Battle of Leyte, at the opening stages of the Philippines campaign, she carried 16 FM-2 fighters and 12 TBM-1C torpedo bombers for a total of 28 aircraft. During the 