Rolf Kaldrack was a Luftwaffe fighter ace and recipient of the Knight's Cross of the Iron Cross with Oak Leaves during World War II. A flying ace or fighter ace is a military aviator credited with shooting down five or more enemy aircraft during aerial combat. Kaldrack is credited with at least 24 aerial victories, 3 of which claimed during the Spanish Civil War flying with Aufklärungsgruppe 88 of the Condor Legion.

The Spanish Cross was an award of Nazi Germany given to German troops who participated in the Spanish Civil War, fighting for nationalist general, later Spanish dictator, Francisco Franco.