Henry Jervis Friese Miller (September 10, 1890 – January 7, 1949) served as a general in the United States Army Air Forces during World War II.

While serving in the European theater, Miller made publicly recorded comments about the top secret date of the Allied invasion of Normandy in May 1944.

[1] After graduation, Miller was assigned as a second lieutenant in the United States Cavalry and served near El Paso, Texas, during the Pancho Villa Expedition of 1916.

[1][2] In 1944, while attending a dinner party at Claridge's in London, Miller leaked the date of the upcoming Operation Overlord during a conversation with a fellow officer, saying that "the invasion will come before June 15.

"[4] When news of this security breach reached Supreme Allied Commander General Eisenhower in May 1944, Miller was demoted to his permanent rank of lieutenant colonel and sent home.