She was an H (possibly with 75mm cannon) with the 7th BG according to this link: http://home.mchsi.com/~anderson.kevin/docs/b25h_known_airplanes_sorted.txt 7th BG was B-17s and B-24s though...
B-25s hit San Roque airfield in the Philippines on Dec 23, 1944. American Missions Against San Roque Airfield