Frederick W. Myers Jr., 67, a retired Army colonel who became assistant deputy under secretary of Defense for material acquisition, died of cancer June 4 at his home in Arlington.

Mr. Myers was born in Pittsfield, Mass. He joined the Army in World War II and served in Europe. He also served in the Korean War. While in uniform he also graduated from the University of Maryland and received a master's degree at American University. He was a pilot and his career was in Army aviation.

In the early 1950s, he was stationed in Washington. He was engaged on various research and development projects, including the Chinook helicopter, a mainstay of the Army in Vietnam.

In the early 1960s, Mr. Myers went to work for the Office of Economic Opportunity. Shortly thereafter he transferred to Defense. He was named assistant deputy under secretary for material acquisition in 1977 and retired from government the following year.

In 1973, he received the Defense Department's Meritorious Civilian Service Medal.

After leaving the government Mr. Myers became a consultant. He also was assistant to the chairman of the Transtechnology Corp. in Alexandria.

His wife, the former Janet E. Joseph, died in 1977.

Survivors include two sons, Robert W. Myers of Duxbury, Mass., and Michael J. Myers of Arlington; three daughters, Tesha Jarrett-Harrower of Arlington, Nina Toffler of Fort Benning, Ga., and Beverly Bailey of Kansas City, Kan.; one sister, Ursula Salo of Fredericksburg, Va.; one brother, Kenneth Myers of New Lebanon, N.Y., and 11 grandchildren.