One of the most numerous versions, and the basis for many others, the Ju99A-4 four-seat bomber introduced the long span wing and also an induction cooling-duct fairing under the engines; these Ju88A-4s are pictured with III/LG1 in mid-1942. Lehrgeschwader 1 (instructional group 1) was based in the Mediterranean, as shown by the white fuselage band near the tail.