Simplify the following text for a Grade 12 native English-speaking person.
Original: Detailed to the Royal Australian Infantry Corps , he then underwent further training at Singleton , New South Wales , where he again won prizes for shooting and physical training , and also as most outstanding soldier in his platoon .
Simplified: Sent to the Royal Australian Infantry Corps he then did more training at Singleton , NSW , where he again won prizes for shooting and physical training , and also as the best soldier in his platoon .