Dr. Alden Morgan Haupt, 64, a retired Foreign Service officer who had been a command historian with the U.S. Air Force for the past 12 years, died of cancer Wednesday in his home in Alexandria.

Dr. Haupt joined the Foreign Service in 1941, serving in Canada, as third secretary in our Moscow embassy, and as a vice consul in India and the Netherlands, before retiring in 1947.

He worked for the Library of Congress, the National Science Foundation, and then was a civilian officer with Army Intellifence in Germany and this country before becoming an Air Force historian in 1967.

Dr. Haupt was born in New York and reard in Chicago, Ill. He earned an undergraduate degree in geology at Harvard University and received a doctoral degree in Russian linguistics at Columbia University in 1953. He also had studied at King's College, Cambridge, and at the universities of Bonn, Berlin, and Chicago.

He was a lieutenant commander in the Navy reserves.

He was a member of the Audubon Society and the Smithsonian Associates, as well as several area hiking organizations.

An area resident since 1967, he resided in Washington for two years before moving to Alexandria.

Survivors include his wife, Gertraud E., of Alexandria; two sons, Walter F., of Cologne, Germany, and Karl, f New York City; his mother, Mary M. Street of Winter Haven, Fla.; a sister, Ruth Lee Smith of Caracas, Venezuela, and one grandchild.