The Military Intelligence Division (MID) was a military intelligence

Military intelligence

Military intelligence is a military discipline that exploits a number of information collection and analysis approaches to provide guidance and direction to commanders in support of their decisions....

 branch of the United States Army

United States Army

The United States Army is the main branch of the United States Armed Forces responsible for land-based military operations. It is the largest and oldest established branch of the U.S. military, and is one of seven U.S. uniformed services...

, established in 1885. It was the first standing intelligence agency of the Army; the Union Army

Union Army

The Union Army was the land force that fought for the Union during the American Civil War. It was also known as the Federal Army, the U.S. Army, the Northern Army and the National Army...

 had had a Bureau of Military Information

Bureau of Military Information

The Bureau of Military Information was the first formal and organized American intelligence agency, active during the American Civil War.-Predecessors:...

, but that had reported to the Commanding General for less than a year prior to being disbanded at the end of the Civil War

American Civil War

The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

. MID lasted until after World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

 when it was reorganized, eventually becoming the United States Army Intelligence and Security Command

United States Army Intelligence and Security Command

The United States Army Intelligence and Security Command is a direct reporting unit that conducts intelligence, security, and information operations for U.S. Army commanders and national decision makers. INSCOM is both an organization within the United States Army and the National Security Agency,...

.