Ret. Rear Adm. John W. Bays, 74, who was a top planning and operations officer during the amphibious phase of the Normandy invasion of World War II, died Monday at Anne Arundel General Hospital in Annapolis.

Annapolis police said Adm. Bays' automobile was struck from the rear by another vehicle while stopped at a traffic signal and was pushed into the path of an approaching automobile. Police said Adm. Bays died of internal injuries.

There were no other injuries. The driver of the car that struck Adm. Bays' automobile was charged with driving under the influence and failing to reduce speed, according to police.

Adm. Bays, who was assigned at Pearl Harbor during the 1941 Japanese attack, later commanded a destroyer during the North African invasion and was commander of a task force during the invasion of Italy.

He was appointed to the staff of Rear. Adm. Alan G. Kirk, commander of the Western Naval Task Force, to help plan the naval force's cross-channel operation of the Normandy Invasion, known as Operation Neptune.

Following his retirement in 1946, Adm. Bays returned to his native Indiana , where he was on the administrative staff of the Culver Military Academy, from which he had graduated. He also was a graduate of the U.S. Naval Academy at Annapolis.

Adm. Bays had lived in Annapolis for the last 10 years.

Survivors include his wife, Virginia, of Annapolis; a son, Carter, of Columbia, S.C., and two granddaughters.