 Complete the following phrase:  One a href526quot3B3820caliber20gun38 calibera dual purpose gun was mounted on the stern, and she was equipped with 16 Bofors 40 mm 1.57 in anti-aircraft guns in twin mounts, as well as 12 Oerlikon 20 mm cannons, which were used in an anti-aircraft capability. By the end of the war, Casablanca-class carriers had been modified to carry thirty 20 mm cannons, as a response to increasing casualties due to kamikaze attacks. Anti-aircraft guns were mounted around the perimeter of the deck. Casablanca-class escort carriers were designed to carry 27 aircraft, but she sometimes went over or under this number. For example, during the Mariana and Palau Islands campaign and the Battle off Samar, she carried 16 FM-2 fighters and 11 TBM-1C torpedo bombers, for a total of 27 aircraft. During the Battle of Mindoro, she carried 24 FM-2 fighters and 9 TBM-1C torpedo bombers, for a total of 33 aircraft. Whilst she was in transit in support of the 