Complex sentence: He destroyed three enemy aircraft on February 25,1942 and was awarded his first Distinguished Service Cross, second highest award for that mission and on April 25,1942, he destroyed two more enemy aircraft, earning him the flying ace status.
Split into simpler sentences: He destroyed three enemy aircraft on February 25,1942 and was awarded his first Distinguished Service Cross for that mission. On April 25,1942, he destroyed two more enemy aircraft, earning him the flying ace status.