Complex sentence: The team, under the leadership of Wernher von Braun, began work on the problem while at Fort Bliss, but in 1951 they moved to the Redstone Arsenal in Huntsville, Alabama, home to the Army's Ordnance commands.
Split into simpler sentences: The team, under the leadership of Wernher von Braun, began work on the problem at Fort Bliss. In 1951 they moved to the Redstone Arsenal in Huntsville, Alabama, home to the Army's Ordnance commands.