Aufklärungsgruppe 121 (121st Reconnaissance Group) was a German Air Force air reconnaissance group that participated in the Axis-led invasion of Yugoslavia during World War II. The group consisted of four Staffeln (squadron): 1.(F)/121 2.(F)/121 3.(F)/121 4.(F)/121 Notes References Luftwaffe Wings Air force reconnaissance units and formations Military units and formations disestablished in 1945