Only five Bf 109C-1s, delivered to Tablady in April 1938, became the least represented variant of the 109 operating in Spain during the Civil War. They strengthened the armament of the J / 88 Legion of the Condor Legion.
The first Messerschmitt Bf 109 E appeared in the Spanish sky at the very end of 1938. They brought a completely new quality to the Iberian Peninsula in the category of fighter aircraft.
Nazi Germany launched its West European offensive, Westfeldzug, on May 10, 1940. More specifically, its first phase, Fall Gelb (the "Yellow" plan) involving an attack on the neutral Netherlands, Belgium, Luxembourg and northern France. The offensive included massive Luftwaffe attacks on French, Belgian and Dutch airports.