Title |
Alternative Title |
From |
To
|
United States: United States of America, 1775–present: M–R
|
Maine Central Railroad Police |
|
? |
?
|
1st Maintenance Battalion |
|
? |
?
|
2nd Maintenance Battalion |
|
? |
?
|
3rd Maintenance Battalion |
|
? |
?
|
4th Maintenance Battalion |
|
? |
?
|
6th Maintenance Battalion |
|
? |
?
|
8th Maintenance Battalion |
|
? |
?
|
67th Maintenance Battalion |
|
? |
?
|
726th Maintenance Battalion |
|
? |
?
|
737th Maintenance Battalion |
|
? |
?
|
801st Maintenance Battalion (Air Assault) |
|
? |
?
|
986th Maintenance Battalion |
|
? |
?
|
110th Maintenance Company |
|
? |
?
|
13th Maintenance Group |
|
? |
?
|
48th Maintenance Group |
|
? |
?
|
159th Maintenance Group |
|
? |
?
|
3rd Maintenance Squadron |
|
? |
?
|
8th Maintenance Squadron |
|
? |
?
|
18th Maintenance Squadron |
|
? |
?
|
27th Maintenance Squadron |
|
? |
?
|
67th Maintenance Squadron |
|
? |
?
|
374th Maintenance Squadron |
|
? |
?
|
437th Maintenance Squadron |
|
? |
?
|
452nd Maintenance Squadron |
|
? |
?
|
6161st Maintenance Squadron |
|
? |
?
|
6147th Maintenance and Supply Squadron |
|
? |
?
|
III Marine Amphibious Force |
|
? |
?
|
Marine Aviation Logistics Squadron 11 |
|
? |
?
|
Marine Aviation Logistics Squadron 16 |
|
? |
?
|
Marine Aviation Logistics Squadron 41 |
|
? |
?
|
Marine Corps Security Force Regiment |
|
? |
?
|
Marine Littoral Regiment |
|
? |
?
|
1st Marine Logistics Group |
|
? |
?
|
2nd Marine Logistics Group |
|
? |
?
|
3rd Marine Tank Battalion |
|
? |
?
|
Marine Wing Support Squadron 117 |
|
? |
?
|
Marine Wing Support Squadron 274 |
|
? |
?
|
801st Medical Air Evacuation Squadron |
|
? |
?
|
44th Medical Brigade |
|
? |
?
|
58th Medical Clearing Battalion |
|
? |
?
|
61st Medical Clearing Battalion |
|
? |
?
|
70th Medical Clearing Battalion |
|
? |
?
|
74th Medical Clearing Battalion |
|
? |
?
|
Medical Corps |
|
? |
?
|
Medical Department |
|
? |
?
|
57th Medical Detachment (Helicopter Ambulance) |
|
? |
?
|
521st Medical Detachment |
|
? |
?
|
23rd Medical Group |
|
? |
?
|
43rd Medical Group |
|
? |
?
|
55th Medical Group |
|
? |
?
|
67th Medical Group |
|
? |
?
|
68th Medical Group |
|
? |
?
|
21st Medical Squadron |
|
? |
?
|
307th Medical Squadron |
|
? |
?
|
422nd Medical Squadron |
|
? |
?
|
423rd Medical Squadron |
|
? |
?
|
507th Medical Squadron |
|
? |
?
|
910th Medical Squadron |
|
? |
?
|
381st Medical Supply Squadron |
|
? |
?
|
147th Medium Helicopter Company |
|
? |
?
|
Metro-North Commuter Railroad Police Department |
|
? |
?
|
Mexican Spy Scout Company |
|
1845 |
18??
|
Michigan Central Railroad Police |
|
? |
?
|
Military Assistance Advisory Group, Indochina |
|
1950 |
1955
|
Military Assistance Advisory Group, Vietnam |
|
1955 |
1964
|
Military Assistance Command, Vietnam |
|
1962 |
1973
|
Military Assistance Command, Vietnam/Special Operations Group |
|
1964 |
?
|
MACV Forward |
|
1968 |
19??
|
Military District of Washington |
|
? |
?
|
Military Information Division |
|
1885 |
1917
|
1st Military Intelligence Battalion (Air Reconnaissance Support) |
|
? |
?
|
519th Military Intelligence Battalion (Consolidated) |
|
? |
?
|
1st Military Intelligence Company |
|
? |
?
|
4th Military Intelligence Company |
|
? |
?
|
9th Military Intelligence Company |
|
? |
?
|
25th Military Intelligence Company |
|
? |
?
|
45th Military Intelligence Company |
|
? |
?
|
184th Military Intelligence Company |
|
? |
?
|
185th Military Intelligence Company |
|
? |
?
|
191st Military Intelligence Company |
|
? |
?
|
635th Military Intelligence Company |
|
? |
?
|
135th Military Intelligence Detachment (Counterintelligence) |
|
? |
?
|
Military Intelligence Division |
|
1917 |
194?
|
135th Military Intelligence Group (Counterintelligence) |
|
? |
?
|
149th Military Intelligence Group (Collection) |
|
? |
?
|
519th Military Intelligence Group |
|
? |
?
|
525th Military Intelligence Group |
|
? |
?
|
716th Military Police Battalion |
|
? |
?
|
18th Military Police Brigade |
|
? |
?
|
300th Military Police Company |
|
? |
?
|
560th Military Police Company |
|
? |
?
|
720th Military Police Company |
|
? |
?
|
8th Military Police Group |
|
? |
?
|
16th Military Police Group |
|
? |
?
|
89th Military Police Group |
|
? |
?
|
Military Sea Transportation Service |
|
? |
?
|
Military Telegraph Corps |
|
1861 |
1866
|
Military Traffic Management and Terminal Service |
|
? |
?
|
Minneapolis and St. Louis Railway Police |
|
? |
?
|
Minneapolis, St. Paul and Sault Ste. Marie Railroad Police |
|
? |
?
|
50th Missile Support Group |
|
? |
?
|
Mississippi Flotilla |
|
? |
186?
|
Mississippi Marine Brigade |
|
1862 |
1864
|
Mississippi Squadron |
|
186? |
?
|
Missouri, Kansas and Texas Railroad Police |
|
? |
?
|
Missouri-Pacific Railroad Police |
|
? |
?
|
Mobile and Ohio Railroad Police |
|
? |
?
|
2nd Mobile Army Surgical Hospital |
|
? |
?
|
3rd Mobile Army Surgical Hospital |
|
? |
?
|
7th Mobile Army Surgical Hospital |
|
? |
?
|
18th Mobile Army Surgical Hospital |
|
? |
?
|
27th Mobile Army Surgical Hospital |
|
? |
?
|
37th Mobile Maintenance Battalion |
|
? |
?
|
Mobile Riverine Force |
|
? |
?
|
503rd Mobile Strike Force |
|
? |
?
|
1st Mobile Strike Force Command |
|
? |
?
|
2nd Mobile Strike Force Command |
|
? |
?
|
3rd Mobile Strike Force Command |
|
? |
?
|
4th Mobile Strike Force Command |
|
? |
?
|
5th Mobile Strike Force Command |
|
? |
?
|
7373rd Motor Vehicle Repair Squadron |
|
? |
?
|
7559th Motor Vehicle Repair Squadron |
|
19?? |
?
|
3rd Motor Vehicle Squadron |
|
? |
?
|
8th Motor Vehicle Squadron |
|
? |
?
|
27th Motor Vehicle Squadron |
|
? |
?
|
49th Motor Vehicle Squadron |
|
? |
?
|
452nd Motor Vehicle Squadron |
|
? |
?
|
3918th Motor Vehicle Squadron |
|
? |
?
|
6424th Motor Vehicle Squadron |
|
? |
?
|
Narcotics Division |
|
1920 |
1930
|
National Bureau of Criminal Identification |
|
? |
?
|
National Clandestine Service |
|
? |
Present
|
National Marine Fisheries Service |
|
? |
?
|
National Military Intelligence Collection Center |
|
19?? |
?
|
National Military Intelligence Systems Center |
|
19?? |
?
|
National Military Production Center |
|
19?? |
?
|
National Park Service |
|
? |
?
|
National Security Agency |
|
1952 |
Present
|
National Stock Yards Police |
|
? |
?
|
Navajo Nation Police |
|
? |
Present
|
Naval Task Force 117 |
|
? |
?
|
Naval Task Force 157 |
|
19?? |
1977
|
689th Network Operations Squadron |
|
? |
?
|
New York and Cincinnati Railroad Police |
|
? |
?
|
New York Central Railroad Police |
|
? |
?
|
New York, Chicago and St. Louis Railroad Police |
|
? |
?
|
New York, New Haven and Hartford Railroad Police |
|
? |
?
|
New York, Ontario and Western Railway Police |
|
? |
?
|
Norfolk Southern Railway Police |
|
? |
?
|
Norfolk and Western Railway Police |
|
? |
?
|
North Atlantic Squadron |
|
? |
?
|
Northern Pacific Railway Police |
|
? |
?
|
Office of Military Support |
|
? |
Present
|
Office of Naval Intelligence |
|
1882 |
?
|
Office of Policy Coordination |
|
1948 |
?
|
Office of Special Operations |
|
194? |
?
|
Office of Strategic Services |
|
1941 |
1945
|
Operational Planning and Travel Intelligence Center |
|
? |
?
|
612th Ordnance Base Armament Maintenance Battalion |
|
? |
?
|
Ordnance Department |
|
? |
?
|
528th Ordnance Detachment |
|
? |
?
|
134th Ordnance Maintenance Battalion |
|
? |
?
|
702nd Ordnance Maintenance Battalion |
|
? |
?
|
Oregon-Washington Navigation Lines Police |
|
? |
?
|
Pacific Squadron |
|
? |
?
|
Pawnee Scouts |
|
1864 |
1877
|
Pay Department |
|
? |
?
|
Pennsylvania Lines West Railroad Police |
|
? |
?
|
Pennsylvania Railroad Police |
|
? |
?
|
Pere Marquette Railway Police |
|
? |
?
|
Personnel Resources Development Office |
|
? |
Present
|
Pinkerton National Detective Agency |
|
1850 |
?
|
1st Pioneer Battalion |
|
186? |
?
|
2nd Pioneer Battalion |
|
186? |
?
|
Pittsburgh and West Virginia Railway Police |
|
? |
?
|
Pontoon Battalion |
|
186? |
?
|
Port Authority of New York and New Jersey Police Department |
|
1928 |
Present
|
378th Port Battalion |
|
? |
?
|
388th Port Battalion |
|
? |
?
|
398th Port Battalion |
|
? |
?
|
487th Port Battalion |
|
? |
?
|
490th Port Battalion |
|
? |
?
|
492nd Port Battalion |
|
? |
?
|
500th Port Battalion |
|
? |
?
|
502nd Port Battalion |
|
? |
?
|
184th Port Company |
|
? |
?
|
185th Port Company |
|
? |
?
|
265th Port Company |
|
? |
?
|
6th Port Headquarters |
|
? |
?
|
Post Office Inspection Service |
|
? |
?
|
Potomac Flotilla |
|
? |
?
|
Prohibition Unit |
|
1920 |
19??
|
Project Cardinals |
|
? |
Present
|
Provisional Corps, Vietnam |
|
1968 |
1968
|
Provost Marshal Department |
|
1863 |
?
|
6th Psychological Operations Battalion |
|
? |
?
|
7th Psychological Operations Battalion |
|
? |
?
|
8th Psychological Operations Battalion |
|
? |
?
|
10th Psychological Operations Battalion |
|
? |
?
|
19th Psychological Operations Company |
|
? |
?
|
244th Psychological Operations Company |
|
? |
?
|
245th Psychological Operations Company |
|
? |
?
|
246th Psychological Operations Company |
|
? |
?
|
4th Psychological Operations Group |
|
1967 |
1971
|
7th Psychological Operations Group |
|
? |
?
|
91st Quartermaster Battalion |
|
? |
?
|
Quartermaster Department |
|
? |
?
|
590th Quartermaster Detachment |
|
? |
?
|
Quartermaster's Volunteers |
|
186? |
186?
|
303rd Radio Research Battalion |
|
? |
?
|
313th Radio Research Battalion |
|
? |
?
|
101st Radio Research Group |
|
? |
?
|
509th Radio Research Group |
|
? |
?
|
823rd Rapid Engineer Deployable Heavy Operational Repair Squadron |
|
? |
?
|
Reserve Officers' Training Corps |
|
? |
Present
|
Revenue Cutter Service |
|
1789 |
?
|
Rutland Railroad Police |
|
? |
?
|