A military building is any structure designed to house functions performed by a military unit. General types include:
Military organizations of all types must support a wide range of administrative functions including personnel management, accounting, and procurement. Some facilities are quite similar to civilian office buildings while others are converted from other military uses and can be quite idiosyncratic.
Ammunition is frequently stored in small quantities in reinforced structures which are widely separated. Standard designs are sometimes called "igloos".
Traditionally, military units provided most of the rations, uniforms, and other supplies needed by most military personnel. However, modern units often provide fewer items and many personnel must buy some items with their own funds. Personnel with families also must buy food, clothing, and other necessities for the family. This has created the need for modern commissary and “PX” (post exchange) buildings. In some cases, these buildings are similar to modern supermarkets.
Most military installations have small jails for temporary holding of suspects or short term punishment of minor offenses. However, military organizations also have larger, centralized facilities for longer term incarceration of persons convicted of more serious offenses. The main correctional facility of the US Army, Air Force, and Marines is the United States Disciplinary Barracks located at Fort Leavenworth, Kansas.
Fortifications vary widely in nature depending on the mission and type of unit engaged.
Full-service military hospitals are a fairly recent innovation in military history. Prior to the nineteenth century, military hospitals as we know them today did not exist. Soldiers wounded in combat were treated in the field or in makeshift facilities commandeered near the field of battle. Medical technology at the time was such that most serious wounds were fatal and, accordingly, there was little need for facilities that provided for long-term care and recuperation. Battlefield amputations were one of the most common procedures and were only successful in saving the life of the victim in a limited number of cases.