Complex sentence: He completed his flying training at No.5 Flying Training School (Sealand) and on 29 August 1932 joined No.25 Squadron RAF based at RAF Hawkinge, flying Hawker Fury Mark Is.
Split into simpler sentences: He completed his flying training at No.5 Flying Training School (Sealand). On 29 August 1932 he joined No.25 Squadron RAF based at RAF Hawkinge, flying Hawker Fury Mark Is.