# Library of Congress Classification:Class U -- Military Science

Class U: Military Science is a classification used by the Library of Congress Classification system. This page outlines the sub-classes of Class U.

## U - Military science (general)

    21‑22.3.....................................War. Philosophy. Military sociology
    27‑43........................................History of military science
    45.............................................Historiography
    56‑59........................................Army clubs
    150‑155.....................................Military planning
    161‑163.....................................Strategy
    164‑167.5..................................Tactics
    168...........................................Logistics
    250‑255.....................................Maneuvers (combined arms)
    260...........................................Joint operations. Combined operations
    261...........................................Amphibious warfare
    262...........................................Commando tactics
    263‑264.5..................................Atomic warfare. Atomic weapons
    300‑305.....................................Artillery and rifle ranges
    310‑310.2..................................War games
    320‑325.....................................Physical training of soldiers
    400‑714.....................................Military education and training
    750‑773.....................................Military life, manners and customs, antiquities, etc.
    799‑897.....................................History of arms and armor

## UA - Armies: Organization, distribution, military situation

    21‑885.....................................By region or country
    910‑915...................................Mobilization
    920‑925...................................Plans for attack and defense
    926‑929...................................Civil defense
    929.5‑929.95...........................War damage in industry. Industrial defense
    940‑945...................................Military communication
    950‑979...................................Routes of travel. Distances
    985‑997...................................Military geography

## UB - Military administration

    160‑165...................................Records, returns, muster rolls, etc.
    170‑175...................................Adjutant generals' offices
    180‑197...................................Civilian personnel departments
    250‑271...................................Intelligence
    273‑274...................................Sabotage
    275‑277...................................Psychological warfare. Propaganda
    320‑338...................................Enlistment, recruiting, etc.
    340‑345...................................Compulsory service. Conscription and exemption
    356‑369.5................................Provision for veterans
    370‑375...................................Military pensions, etc.
    380‑385...................................Soldiers' and sailors' homes
    407‑409...................................Warrant officers. Noncommissioned officers
    410‑415...................................Officers
    416‑419...................................Minorities, women, etc. in armed forces
    420‑425...................................Furloughs
    440‑449.5................................Retired military personnel

## UC - Maintenance and transportation

    20‑258.....................................Organization of the service. By region or country
    260‑267...................................Supplies and stores
    270‑360...................................Transportation
    400‑440...................................Barracks. Quarters. Camps
    460‑535...................................Clothing and equipment
    540‑585...................................Equipage. Field kits
    600‑695...................................Horses. Mules. Remount service
    700‑780...................................Subsistence

## UD - Infantry

    157‑302...................................Tactics. Maneuvers. Drill regulations
    320‑325...................................Manual of arms
    330‑335...................................Firing. Military sharpshooting
    340‑345...................................Bayonet drill
    380‑425...................................Small arms. Swords, etc.
    450‑455...................................Mounted infantry
    460‑464...................................Mountain troops
    470‑475...................................Ski troops
    480‑485...................................Airborne troops. Parachute troops
    490‑495...................................Airmobile operations

## UE - Cavalry. Armour

    144‑145...................................Horse cavalry
    147..........................................Armored cavalry
    157‑302...................................Tactics. Maneuvers. Drill regulations
    420‑425...................................Cavalry sword exercises
    460‑475...................................Horses

## UF - Artillery

    157‑302...................................Tactics. Maneuvers. Drill regulations
    400‑405...................................Field artillery
    450‑455...................................Seacoast artillery
    460‑465...................................Siege artillery
    470‑475...................................Howitzer artillery. Mortar batteries
    480‑485...................................Garrison artillery
    500‑515...................................Weapons systems
    520‑537...................................Ordnance and small arms
    540‑545...................................Arsenals, magazines, armories, etc.
    560‑780...................................Ordnance material (Ordnance proper)
    820‑830...................................Ballistics. Velocities and motions of projectiles
    848‑856...................................Artillery instruments. Fire control, etc.

## UG - Military engineering. Air forces

    1‑620................................Military engineering
       160‑302..................................Tactics and regulations
       335.........................................Bridges
       340.........................................Tunnels
       360‑390..................................Field engineering
       400‑442..................................Fortification
       443‑449..................................Attack and defense. Siege warfare
       470‑474.................................Military surveying, topography, and..mapping
       490.........................................Land mines, etc.
       500‑565..................................Technical troops and other special corps
       570‑582..................................Military signaling
       590‑613.5...............................Military telegraphy and telephony
       614‑614.5...............................Military electric lighting
       615‑620..................................Military motor vehicles
    622‑1435...........................Air forces. Air warfare
       633‑635..................................By region or country
       637‑639..................................Education and training
       640‑645..................................Military aeronautical research
       700‑705..................................Tactics
       730‑735..................................Air defenses
       760‑765..................................Aerial reconnaissance
       770‑1045................................Organization. Personnel management
       1097.......................................Air bases
       1100‑1435...............................Equipment and supplies
    1500‑1530.........................Military astronautics. Space warfare. Space surveillance
       1523‑1525...............................By region or country

## UH - Other services

    20‑25......................................Chaplains
    201‑515...................................Medical and sanitary services
    520‑(560)................................Care of sick and wounded. Relief societies
    600‑629.5................................Military hygiene and sanitation
    700‑705...................................Public relations. Press. War correspondents
    750‑769...................................Military social work. Social welfare services
    800‑910...................................Recreation and information services