Complex sentence: From then the squadron flew ground-attack missions against Japanese forces in the Netherlands East Indies (NEI), concentrating on airfields and ships operating from Coomalie Creek until December 1944 when the squadron moved to Noemfoor.
Split into simpler sentences: From then the squadron flew ground-attack missions against Japanese forces in the Netherlands East Indies (NEI), concentrating on airfields and ships. It operated from Coomalie Creek in this role until December 1944 when the squadron moved to Noemfoor.