During World War II, William Grosvenor became a U.S. Army Air Forces ACE, credited with shooting down 5 enemy aircraft in aerial combat. After the war he transferred to the new U.S. Air Force Reserves, and retired as a Lieutenant Colonel.

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During World War II, William Grosvenor became a U.S. Army Air Forces ACE, credited with shooting down 5 enemy aircraft in aerial combat. After the war he transferred to the new U.S. Air Force Reserves, and retired as a Lieutenant Colonel.

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(Citation Needed) – SYNOPSIS: The President of the United States of America, authorized by Act of Congress July 9, 1918, takes pleasure in presenting the Silver Star to Captain (Air Corps) William Grosvenor, Jr. (ASN: 0-421773), United States Army Air Forces, for gallantry in action against the enemy while serving as Pilot of a Fighter Airplane of the 75th Fighter Squadron, 23d Fighter Group, FOURTEENTH Air Force, in aerial operations in the China-Burma-India Theater of Operations during World War II. The gallant actions and dedicated devotion to duty demonstrated by Captain Grosvenor, without regard for his own life, were in keeping with the highest traditions of military service and reflect great credit upon himself and the United States Army Air Forces.