Complex sentence: It is also home to the Officer and Aircrew Selection Centre (OASC), where all applicants to the RAF as Officers or non-commissioned aircrew, are put through a 4 day rigorous selection process.
Split into simpler sentences: It is also home to the Officer and Aircrew Selection Centre (OASC). Where all applicants to the RAF as Officers or non-commissioned aircrew, are put through a 4 day rigorous selection process.