On February 9, 1942, the Joint Chiefs of Staff held their first formal meeting to coordinate U.S. military operations between the War and Navy Departments.
The Joint Chiefs at the time were:
Adm. Ernest J. King, commander in chief, U.S. Fleet and chief of naval operations; Gen. George C. Marshall, chief of staff of the U.S. Army; Adm. William D. Leahy, chief of staff to the commander in chief of the Army and Navy; and Gen. Henry H. Arnold, chief of the Army Air Forces.
Learn more about the Joint Chiefs' role in national security today.
(National Archives photo circa 1942)