Flying Fortress 1

14 ct (70.8 x 95.3 cm) (27.9 x 37.5 in.) : 16 ct (61.9 x 83.3 cm) (24.4 x 32.8 in.)

18 ct (55.0 x 74.1 cm) (21.7 x 29.2 in.) : 20 ct (49.5 x 66.7 cm) (19.5 x 26.3 in.)

22 ct (45.0 x 60.6 cm) (17.7 x 23.9 in.) : 25 ct (39.6 x 53.3 cm) (15.6 x 21.0 in.)

28 ct (35.4 x 47.6 cm) (13.9 x 18.8 in.) : 32 ct (31.0 x 41.7 cm) (12.2 x 16.4 in.)