 Complete the following phrase:  In early 1944 5MWS became part of a force of RAAF and United States Army aviation engineer units which were selected to build airfields at Aitape in New Guinea from which air support would be provided to Allied operations around Hollandia after US Army forces landed there on 22 April. 5MWS departed Melbourne on 15 February, and eventually joined up with the main body of the airfield engineer force at Lae on 1 April where it received training in infantry tactics. The 