Retired Navy Capt. John Marion Lietwiler, 70, who was a specialist in naval communications, died Thursday at Suburban Hospital following a heart attack.

His last assignment before retiring in 1960 was with the National Security Agency at Fort Meade. He then earned a master's degree from the University of Maryland and taught French in Poolesville High School and North Bethesda Junior High School until a second retirement in 1973.

Capt. Lietwiler was born in Spillman, W.Va. and grew up in Pomeroy, Ohio. He attended Ohio University for Academy at Annapolis, where he two years, then entered the U.S. Navy graduated in 1932.

After service at sea, he came to Washington in 1939 as a communications specialist at the Navy Department. He was sent to the Philippines in 1941 and was on duty on Corregidor Island at the entrance to Manila Bay when Pearl Harbor was attacked on Dec. 7.

Capt. Lietwiler was evacuated to Australia by submarine and continued to serve in the Pacific. During the final year of the war, he was with the staff of Lord Louis Mountbatten in Colombo, Ceylon.

After brief service in Washington, he was in charge of naval communications stations at Bainbridge Island, Wash.; Guam, Hawaii and Great Lakes, Ill.

Capt. Lietwiler returned here in 1954 and was with the Naval Security Station and the Office of the Inspector General before his assignment with NSA.

His many war-time decorations included the Distinguished Service Medal and the Bronze Star.

He is survived by his wife, Helena Keehne Lietwiler, of the home in Bethesda; two sons, Charles John, of Rockville, and Christian Willard, of Oxon Hill; a brother, Edward, of Sew- [TEXT OMITTED FROM SOURCE]