He held the position of Geschwaderkommodore of fighter wing Jagdgeschwader 51 and Jagdgeschwader 52.
Fighter Wing was attached to the Jagdgeschwader 52.
Rudolf Trenkel served in Jagdgeschwader 52 ( JG 52 ) during the Battle of Britain.
On 11 June 1944 he was put in charge of I . / Jagdgeschwader 52 ( JG 52 ).
In November 1942, he left JG 54 to become " Geschwaderkommodore " of Jagdgeschwader 52 ( JG 52 52nd Fighter Wing ).
The Deutsche Luftwaffenmission Rumanien ( German Air Force Mission Romania ) under Hans Speidel had Stab ., and III . / Jagdgeschwader 52 ( JG 52 ).
He was then transferred to the 6 . " Staffel " ( 6th squadron ) of Jagdgeschwader 52 ( JG 52 52nd Fighter Wing ) on 1 August 1940.
He commanded his III . " Gruppe " and II . " Gruppe " of Jagdgeschwader 52 ( JG 52 52nd Fighter Wing ) to counter-attack Soviet bombers.
All of them flew with " Jagdgeschwader 52 ", a unit which exclusively flew the Bf 109 and was credited with over 10, 000 victories, chiefly on the Western Allied pilots.
On 1 September 1939 ( the day the war began ) the airbase was the home station for the I / JG 52 ( 1st Group of the Jagdgeschwader 52 ) flying the Bf109 E-1 fighter aircraft.