F-22 came while A-270 mercied to F-1.
all f section entities are F-1, F-15, F-22, F-35, F-42, F-60, F-100, F-120, F-142, F-144, F-150, F-183, F-200, F-245, F-278, F-300, F-332, F-350, and F-400. the first section to have 500 rooms, then v section has 5000 rooms.
