Complex sentence: Couch requested reassignment after being wounded at Chancellorsville and quarreling with Maj. Gen. Joseph Hooker, and commanded the Pennsylvania Militia and the Department of the Susquehanna during the Gettysburg Campaign in 1863.
Split into simpler sentences: Couch requested reassignment after being wounded at Chancellorsville and quarreling with Maj. Gen. Joseph Hooker. He commanded the Pennsylvania Militia and the Department of the Susquehanna during the Gettysburg Campaign in 1863.