 Nyorai kupfuurira kweiyi ndima - III.JG 27 akabva Italy mukupera kwaJuly kuti adzokere kuVienna. Groupe yakadzokera kuMediterranean musi wa 23 Gunyana, asi yakaiswa kuArgos, pedyo neAthens kuGreece; yakaramba ichibatanidzwa mukurwa kwemauto munhandare iyi kusvika munaKurume 1944. Boka rechina rakawedzerwa kuJG 27 muna June. IV. Gruppe yakasikwa muGreece ndokuiswa pasi pomurayiro waHauptmann Rudolf Sinner. Iri boka rakaramba riri mubasa muGreece neBalkans kutozosvikira muna March 1944. Kupinda kweAllied muItaly, Operation Avalancheyakanga ine pesvedzero huru paJG 27 gruppen inoshanda kumaodzanyemba kwakadziva kumabvazuva kweEurope. Mauto emhepo eAllied aishanda achibva kuItaly kubva muna September 1943, akatarisana bedzi nechirambidzo cheGungwa reAdriatic. Mabhomba eAllied akatanga kurwisa kakawanda muBalkans yaitongwa neAxis kusvikira hondo yapera. Pakati pevatyairi veJG 27 kuti vabude muhondo dzedenga pamusoro peGreece akanga ari Heinrich Bartels, akanyorwa kubva ku Jagdgeschwader 5 mushure mekushumira muArctic Circle. Muna October 1943, III. Gruppe yakasiyiwa kuti ifukidze Greece neKrete apo IV. Gruppe yakatamira kuPodgorica, Yugoslavia. Gare gare muna October, zvinhu zveIII. Gruppe yakabhururuka mabasa okurwa pamusoro peCorsica, uye yakanga yakavakirwa paViterbo kwenguva pfupi. Mukurwa pamusoro peSerbia, IV. Gruppe yakapeta kaviri nhamba yayo asi yakarasikirwa nomukuru wayo akanga achangogadzwa, akauraya Joachim Kirschner musi wa17 December. Kirschner akanga ari wechipiri wevatungamiri veboka kuti vafe, mushure mokunge mutungamiri Dietrich Boesler. JG 27 yakabhururuka ichitsigira hondo yeDodecanese. Pakanga pane kurasikirwa kuduku kweLuftwaffe munguva yebasa racho, umo JG 27 yakabhururuka dzimwe ndege 70 uye mauto okurova akabhururuka 134, achidonhedza matani 110 emabhomba. III. Zvikamu Gruppe akati 15 Bristol Beaufighters mumavhiki maviri okutanga, November 1943, asi IV. Gruppe yakataura nhamba huru zvikurusa yokukunda ndokutambura kurasikirwa kukuru zvikurusa munharaunda yacho. 