Original: The Condor Legion ( ) was a unit composed of '' volunteers '' from the German Air Force ( Luftwaffe ) which served with the Nationalist side during the Spanish Civil War of July 1936 to March 1939 .
Simplified: The Condor Legion ( ) was a unit of '' volunteers '' from the German Air Force ( Luftwaffe ) . This group served during the Spanish Civil War of July 1936 to March 1939 .