Original sentence: His career took a brief detour in 1867 when he was court-martialed for being AWOL and suspended for one year, returning to the Army in 1868.In 1866 Custer was mustered out of the volunteer service, reduced to the rank of lieutenant colonel and assigned to the  7th U.The president ordered Custer placed him under arrest
Edited sentence: His career took a brief detour in 1867 when he was court-martialed for being AWOL and was suspended for one year, returning to the Army in 1868.In 1866 Custer was mustered out of the volunteer service, regressed to the rank of lieutenant colonel, and was assigned to the  7th U.The president was infuriated at Custer and took his revenge by placing him under arrest