Shown here is a Spitfire F.Mk.VB being refuelled and rearmed at Luqa. Note that the only means of refuelling these aircraft was by hand from 18.1 l (4-gal) tins. While being refuelled other groundcrew rearm the Spitfires two 20 mm (0.79 in) Hispano cannon and four 7.7 mm ).303 in) Browning machine-guns.