John J. Davis, 88, an Army lieutenant general who retired from active duty in 1970 as an assistant director of the Arms Control and Disarmament Agency, died Aug. 22 at Inova Mount Vernon Hospital after a stroke. He lived in Fairfax.

As ACDA assistant director, Gen. Davis had been the agency's chief military adviser on the SALT I and SALT II negotiations.

He held senior intelligence and security posts from the mid-1950s until retiring. In the 1950s, he was plans and policy chief of the National Security Agency and a foreign intelligence director in the office of the Army's assistant chief of staff for intelligence.