Complex sentence: Halvorsen would go on to fill several domestic assignments, but would return to Germany in the early 1970s, this time as the commander of Tempelhof Air Base in western Berlin.
Split into simpler sentences: Halvorsen would go on to fill several domestic and overseas assignments during the remainder of his Air Force career. He returned to Germany in the early 1970s, this time as the commander of Tempelhof Air Base in western Berlin.