Complex sentence: In the late 1980s, Gunning briefly worked with AFRTS while serving with the U.S. Army; followed by part-time on-air work for radio stations WDEL/WSTW in Wilmington, Delaware.
Split into simpler sentences: In the late 1980s, Gunning briefly worked with AFRTS while serving with the U.S. Army. This was followed by part-time on-air work for the radio stations WDEL/WSTW in Wilmington, Delaware.