Complex sentence: After service with FEA 1 on two seaters, he applied for pilot training and qualified in September 1915, he joined FA 2b in October 1915, and in January 1916 during an observation flight, Schleich was wounded in the arm by an exploding anti-aircraft shell.
Split into simpler sentences: After service with FEA 1 on two-seaters, he applied for pilot training and qualified in September 1915. In October 1915 he joined FA 2b, and in January 1916, during an observation flight, Schleich was wounded in the arm by an exploding anti-aircraft shell.