Complex sentence: There was an airfield on the camp used by aircraft and balloons for artillery spotters which was named Pope Field on April 1,1919, in honor of First Lieutenant Harley H. Pope, an airman who was killed while flying nearby.
Split into simpler sentences: There was an airfield on the camp used by aircraft and balloons for artillery spotters. The airfield was named Pope Field on April 1,1919, in honor of First Lieutenant Harley H. Pope, an airman who was killed while flying nearby.