General der Fallschirmtruppe Kurt Student (center, Kommandierender General XI. Fliegerkorps) with Generalmajor Julius Ringel (standing, Kommandeur 5. Gebirgs-Division) at an advanced command post in Crete, end of May 1941. Sitting at right is Generalmajor Alfred Schlemm (Chef des Generalstabes XI. Fliegerkorps).
Source :
https://www.lasegundaguerra.com/viewtopic.php?t=117275