Complex sentence: Flying de Havilland Mosquitos with No.418 Squadron RCAF, Scherf was credited with the destruction of 7½ aircraft in the air and on the ground and awarded the Distinguished Flying Cross, before he was posted for duties with Headquarters Air Defence Great Britain.
Split into simpler sentences: Flying de Havilland Mosquitos with No.418 Squadron RCAF, Scherf was credited with the destruction of 7½ aircraft, airborne and grounded, and awarded the Distinguished Flying Cross. Afterward, he was posted for duties with Headquarters Air Defence Great Britain.