Ambrose Burnside was transferred to the Western Theater and given command of the Department and the Army of the Ohio in March 1863 .
Ambrose Burnside had been soundly defeated at the Battle of Fredericksburg in December 1862 .
Ambrose Burnside , who had been soundly defeated at the Battle of Fredericksburg in December 1862 , was transferred to the Western Theater and given command of the Department and the Army of the Ohio in March 1863 .