Question: Who was born in 1824 and served in a regiment of the United States Army currently stationed at Fort Hood, Texas?

Context paragraphs:
69th Armor Regiment: The 69th Armor is an armored (tank) regiment of the United States Army.  The 69th Armor Regiment is part of the U.S. Army Regimental System with only two battalions, the 2nd and 3rd Battalion, 69th Armor Regiment, existing in separate brigades and representing the regiment as a whole.  2–69 AR is currently stationed at Fort Benning, Georgia as part of the 3rd Armor Brigade Combat Team ("Sledgehammer"), 3rd Infantry Division and 3–69 AR is stationed at Fort Stewart, Georgia as part of the 1st Armor Brigade Combat Team ("Raider"), 3rd Infantry Division.  Both battalions have transformed from tank pure battalions into combined arms battalions (CAB), each comprising two mechanized infantry and two tank companies.

3rd Weather Squadron: The 3rd Weather Squadron (3 WS) is a unit of the United States Air Force.  It was formed at Barksdale Field (now Barksdale Air Force Base), Louisiana, on 24 June 1937, as part of the Signal Corps.  The 3rd was one of three original squadrons that eventually transferred from the Signal Corps to the Air Corps.  Currently located at West Fort Hood, the 3rd Weather Squadron is aligned under the 3rd Air Support Operations Group.  Weather support to Fort Hood began in 1947 at the newly constructed Killeen AFB.  Today, the 3rd Weather Squadron—in addition to providing weather support to the Fort Hood complex—has operating locations at Forts Bliss, Huachuca, Riley, and Sill in Texas, Arizona, Kansas, and Oklahoma, respectively.

720th Military Police Battalion: The 720th Military Police Battalion is a military police battalion of the United States Army based at Fort Hood, Texas.  It is a subordinate unit under the Training and Readiness Authority of the 89th Military Police Brigade.  Constituted 10 Jan. 1942 in the Army as the 720th Military Police Battalion, it was activated during the Second World War at Fort Meade, MD 20 Jan 1942.  The battalion served during that time while stationed in Australia and New Guinea.  From there it was relocated to Yokohama, Japan in 2 Sep 1945 until finally moved to Fort Hood, Texas on 21 Feb, 1955.

West Fort Hood: West Fort Hood is an underground weapons storage area adjacent to Fort Hood in Texas.  Originally built in the late 1940s by the United States Air Force, it was adjacent to Gray Air Force Base.  On 15 June 1963 Killeen Base was turned over to the Army, and in October 1969, Killeen Base was designated as West Fort Hood and the airfield's name was designated as Robert Gray Army Airfield.  It is also home to the Army Operational Test Command.

Robert Murray Morris: Robert Murray Morris (1824-1896) was a military officer in the U. S. Army and Union Army.  From 1846, he served as an U. S. Army officer in the Mexican American War and in the antebellum western frontier of the United States in the Regiment of Mounted Rifles, renamed 3rd Cavalry Regiment in August 1861 at the start of the American Civil War.  From 1863 he served as a Major in the 6th Cavalry Regiment in the Civil War and afterwards in Texas and Kansas until his retirement in 1873.

759th Military Police Battalion: The 759th Military Police Battalion is a military police battalion in the United States Army.  It is currently stationed at Fort Carson, CO – "The Mountain Post".  It is administratively controlled by the 43rd Sustainment Brigade at Fort Carson, and is a part of the 89th Military Police Brigade at Fort Hood, Texas.

77th Armored Regiment: The 77th Armor is an armored (tank) regiment of the United States Army.  The 77th Armor Regiment is part of the U.S. Army Regimental System with only a single battalion, the 1st Battalion, 77th Armor Regiment, and is therefore classified as both a single battalion, and the remainder of the Regiment itself.  1–77 AR is currently stationed at Fort Bliss, Texas as part of the 3rd Brigade "Bulldogs", 1st Armored Division and has transformed from a tank pure battalion into a combined arms battalion (CAB).

3rd Ordnance Battalion: The 3rd Ordnance Battalion (currently styled as the 3rd Explosive Ordnance Battalion) is a unit of the United States Army currently stationed at Joint Base Lewis–McChord.  It is assigned to the 71st Ordnance Group at Fort Carson, Colorado, which is under the 555th Engineer Brigade at Joint Base Lewis–McChord.

3rd Cavalry Regiment (United States): The 3rd Cavalry Regiment, formerly 3rd Armored Cavalry Regiment ("Brave Rifles") is a regiment of the United States Army currently stationed at Fort Hood, Texas.

2nd Chemical Battalion (United States): The 2nd Chemical Battalion is a United States Army chemical unit stationed at Fort Hood, Texas, United States, and is part of the 48th Chemical Brigade.  The battalion can trace its lineage from the 30th Engineer Regiment (Gas and Flame) and has served in World War I, World War II, Korean War, Operation Desert Storm, and Operations Enduring Freedom and Iraqi Freedom.

Supporting paragraphs: Robert Murray Morris 3rd Cavalry Regiment (United States)
Answer: Robert Murray Morris