Morris served in various garrison positions until 1836, when he was promoted to captain, 4th Artillery and fought the in the Second Seminole War including the Battle of Wahoo Swamp, receiving a brevet major appointment for gallant conduct.
Morris served in various garrison positions until 1836. Morris was receiving a brevet major appointment for gallant conduct. He was promoted to captain. He was fought the in the Second Seminole War including the Battle of Wahoo Swamp. Captain was 4th Artillery.