In the United States, state defense forces (SDFs) are military units that operate under the sole authority of a state government. State defense forces are authorized by state and federal law and are under the command of the governor of each state.
The Ohio Military Reserve (OHMR) is one of three separate components that make up the Ohio State Defense Force (SDF). Like other SDF's the Ohio Military Reserve functions as a reserve to the Ohio National Guard.
The California State Guard (CSG) is a military unit which provides assistance and training to the California National Guard (CNG) and is a military force of California. The CSG is a reserve force that supports the state missions and federal readiness of the Army and Air National Guard. CSG service members often come from all branches of the military and are citizens with essential skills. Many CSG service members are fully integrated with Army National Guard and Air National Guard units, and are full-time state active duty, though the California State Guard is not a part of the United States Armed Forces, unlike the National Guard.
The Virginia Defense Force (VDF) is the official state defense force of Virginia, one of the three components of Virginia's state military along with the Virginia National Guard which includes the Virginia Army National Guard, the Virginia Air National Guard, and the unorganized militia. As of 2023, the VDF has approximately 275 personnel. The VDF is the descendant of the Virginia State Guard, the Virginia Regiment, and ultimately the Colonial Virginia militia of the Virginia Colony.
The Maryland Defense Force (MDDF) is the state defense force for the state of Maryland. The MDDF is organized as a state military reserve organization organized parallel to the Maryland National Guard and is designed to augment the National Guard during stateside emergencies. However, as a state defense force, the MDDF is solely under control of the State of Maryland and cannot be federalized or deployed outside the borders of Maryland.
The Georgia State Defense Force is a professionally trained, volunteer component of the Georgia Department of Defense, serving in support of the national and state constitutions under direction of the governor and the adjutant general of Georgia. As a State Defense Force (SDF), the GSDF serves alongside the Georgia Army National Guard and the Georgia Air National Guard.
The Kansas National Guard, is the component of the United States National Guard in the U.S. state of Kansas. It comprises both the Kansas Army National Guard and the Kansas Air National Guard. The Governor of Kansas is Commander-in-Chief of the Kansas National Guard when in state use. The State's highest-ranking military commander, the Adjutant General of Kansas, serves as the military head of the Guard and is second only to the Governor.
The Maine Department of Defense, Veterans, and Emergency Management (DVEM) is a government agency in Maine. It comprises the two components of the Maine National Guard, the Maine Army National Guard and the Maine Air National Guard, the Bureau of Veterans' Affairs, the Maine Emergency Management Agency, and when it is active, the Maine State Guard. The Adjutant General of Maine, Brigadier General Doug A. Farnham, commands the Maine National Guard and serves as the State's Commissioner of Defense, Veterans, and Emergency Management (DVEM). The Maine Army and Air National Guard has responded to every call of the State and Nation since before the Revolutionary War. Their soldiers and airmen are trained to high standards and are ready to respond to combat missions, domestic emergencies, counterdrug efforts, reconstruction missions and more.
The Texas State Guard (TXSG) is part of the state military force of Texas, and one of three branches of the Texas Military Forces. Along with the other two branches, the TXSG falls under the command of the Governor of Texas and is administered by the Adjutant General of Texas, an appointee of the Governor. The other two branches of the Texas Military Forces are the Texas Army National Guard and the Texas Air National Guard.
The Ohio Army National Guard is a part of the Ohio National Guard and the Army National Guard of the United States Army. It is also a component of the organized militia of the state of Ohio, which also includes the Ohio Naval Militia, the Ohio Military Reserve and the Ohio Air National Guard. The Ohio Army National Guard consists of a variety of combat, combat support, and combat service support units. As of September 2010, its end strength exceeded 11,400 soldiers. Its headquarters is the Beightler Armory in Columbus, Ohio. Many units conduct Annual Training at Camp Grayling, Michigan.
The Massachusetts State Defense Force (MSDF) is the currently inactive state defense force of the Commonwealth of Massachusetts. It was inactivated in 2016 by Governor Charlie Baker. The purpose of the Massachusetts State Defense Force, when active, is to augment the Massachusetts National Guard during emergencies in the state, especially when some or all of the National Guard was deployed. The MSDF is an all-volunteer militia which reported to the State Adjutant General and was under the command of the Governor of Massachusetts. Members met for drills one weekend per month unless activated by the Governor during an emergency. The MSDF was headquartered at Milford, Massachusetts, in the same building as the Massachusetts National Guard. The director of the MSDF was appointed by The Adjutant General of Massachusetts (TAGMA). The Massachusetts State Defense Force is authorized by both the Constitution of Massachusetts and chapter 33 § 10 of the Massachusetts General Laws.
The South Carolina State Guard (SCSG) is the designated state defense force for the state of South Carolina.
The Alaska State Defense Force (ASDF) is the state defense force of Alaska. It is one of 18 such forces in the United States. The Alaska State Defense Force is administered under the Alaska Department of Military and Veterans Affairs, but is headed by a commander who reports directly to the governor of Alaska, who acts as commander-in-chief of the state defense force.
The New Mexico State Defense Force (NMSDF), formerly the New Mexico State Guard (NMSG), is part of the armed forces of the U.S. state of New Mexico. It is a reserve military force that works parallel to the state's National Guard. Authorized under the constitutions of the United States and New Mexico, the NMSDF is organized as an internal security and emergency services reserve force.
The Puerto Rico State Guard (PRSG) is the state defense force of Puerto Rico that operates under the sole authority of the governor of Puerto Rico who, in turn, delegates such authority to the Puerto Rico Adjutant General. The Guard's secondary purpose is to assume the state mission of the Puerto Rico National Guard in the event that the National Guard is mobilized. The first incarnation of the PRSG was created in 1941 in response to World War II and it disbanded in 1946. The PRSG was revived in 1971 and has remained in continuous existence since then. It is one of the few state defense forces of the United States that has an air division.
The reserve components of the United States Armed Forces are military organizations whose members generally perform a minimum of 39 days of military duty per year and who augment the active duty military when necessary. The reserve components are also referred to collectively as the National Guard and Reserve.
The Tennessee State Guard (TNSG) is the state defense force of the state of Tennessee. The TNSG is organized as a military reserve force whose members drill once per month unless called to active duty. The TNSG is a branch of the Tennessee Military Department, alongside the Tennessee Army National Guard, the Tennessee Air National Guard, and the Tennessee Emergency Management Agency. The State Guard acts as a force multiplier for the state's National Guard. As a state defense force, the Tennessee State Guard cannot be federalized, and is not deployed outside the borders of Tennessee, as it is a purely state-level unit. It answers solely to the Governor of Tennessee, unlike the dual federal and state controlled National Guard. The creation of a state military force is recognized under Tennessee Code Annotated 58-1-401.
The Vermont State Guard (VSG) is the all-volunteer state defense force of the state of Vermont. The Vermont State Guard serves parallel to the Vermont National Guard, acting as a reserve force for the State of Vermont Military Department. The Vermont State Guard is a reserve force composed of individuals living as civilians when not activated, but the force can be activated in the event of an attack or natural disaster to serve as a force multiplier for the National Guard, and is assigned to fulfill the state mission of the National Guard when the National Guard is deployed.
The Pennsylvania State Guard is the currently inactive official state defense force of the state of Pennsylvania, which was active during World War II and the Korean War. The unit was organized as a home guard composed of volunteers who were trained and organized as parallel to the state’s National Guard. As a part of Pennsylvania's official militia, the Pennsylvania State Guard was trained, organized, and funded by the state of Pennsylvania, answered to the governor, and could not be federalized or deployed abroad.
The Nebraska State Guard (NSG) is the currently inactive state defense force of the state of Nebraska, which was activated during both World War II and the Vietnam War. As a state defense force, the NSG served on as a component of the organized militia of Nebraska, serving as reservists who trained periodically but could be called up during an emergency; however, unlike the Nebraska National Guard, the Nebraska State Guard could not be federalized or deployed outside the state. Rather, when the National Guard was deployed, the purpose of the State Guard was to assume the stateside duties of the National Guard.
