The Defense Information Systems Agency (DISA), known as the Defense Communications Agency (DCA) until 1991, is a United States Department of Defense (DoD) combat support agency composed of military, federal civilians, and contractors. DISA provides information technology (IT) and communications support to the President, Vice President, Secretary of Defense, the military services, the combatant commands, and any individual or system contributing to the defense of the United States.
Image: Lt Gen Gordon T. Gould Jr
Image: Vice Adm. Samuel L. Gravely, Jr
Image: Lt Gen Winston D. Powers
Samuel L. Gravely Jr.
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Samuel Lee Gravely Jr. was a United States Navy officer. He was the first African American in the U.S. Navy to serve aboard a fighting ship as an officer, the first to command a Navy ship, the first fleet commander, and the first to become a flag officer, retiring as a vice admiral.
