text: 4th Air Fleet Aircraft of the 4th Air Fleet based in Southern Italy entered combat in support of Air Force Command Sicily from 10 July 1943. At the same date reinforcements from other air fleets began to arrive in Southern Italy to reinforce 4th Air Fleet.
  Crotone Airfield
  97th Interceptor Squadron (Ro.57 fighters)
  226th and 227th flights
  102nd Dive-Bomber Squadron (Re.2002 Ariete fighter-bombers; arrived from Tarquinia Airfield)
  209th and 239th flights
  158th Assault Squadron (G.50 Freccia fighters; arrived from Osoppo Airfield)
  elements of 236th, 387th, and 388th flights
  159th Assault Squadron (G.50 Freccia fighters; arrived from Pistoia Airfield)
  389th, 390th, and 391st flights
  Gioia del Colle Airfield
  98th Bomber Squadron (SM.84 bombers; arrived from Lonate Pozzolo Airfield)
  240th and 241st flights
  121st Dive-Bomber Squadron (Ju.87D Stuka dive bombers; arrived from Lonate Pozzolo Airfield)
  206th and 216th flights
  237th Flight/ 103rd Dive-Bomber Squadron (Ju.87D Stuka dive bombers; arrived from Decimomannu Airfield)
  Grottaglie Airfield
  157th Fighter Squadron (C.200 Saetta fighters)
  163rd, 357th, 371st, and 384th flights
  Lecce Airfield
  IV/Jagdgeschwader 4, (Bf 109 G6)
  Manduria Airfield
  8th Bomber Wing
  27th Bomber Squadron (Z.1007 Alcione bombers)
  18th and 52nd flights
  101st Dive-Bomber Squadron (Re.2002 Ariete fighter-bombers; arrived from Lonate Pozzolo Airfield)
  208th and 238th flights
  Montecorvino Airfield
  II/Zerstörer-Geschwader 1 (Me-110 G2)
  Vibo Valentia Airfield
  I/Jagdgeschwader 53, (Bf 109 G6)
  II/Jagdgeschwader 27, (Bf-10 9G6)