Clarence G. (Rip) Collins Jr., 59, a retired Army colonel who served in three wars and later became director of the Office of Emergency Transportation in the Department of Transportation, died Nov. 25 at Fairfax Hospital. He had cancer.

Col. Collins, who had lived in Fairfax since 1965, was born in Warrior, Ala. He entered the Army in 1944 and served in the infantry in Europe during World War II. He later transferred to the Army Transportation Corps and there he made his career.

He served in the wars in Korea and Vietnam. The various assignments he had in this country included duty as director of transportation for the Department of the Army from 1970 to 1972 and a tour as deputy director of the Strategic Studies Institute at the Army War College. He retired from the latter position in 1974.

Col. Collins graduated from the University of Maryland in 1951 and earned a master's degree in business administration there in 1955. He also had a master's degree in international relations from George Washington University. The professional schools from which he graduated included the National War College, the Transportation Officers Advanced Course, the Command and General Staff College and the Armed Forces Staff College.

When he first retired from the service, he worked for Operations Research Inc., a defense consulting firm. He joined the Office of Emergency Transportation in 1976 and became its director a year later. He continued in that post until his death.

Col. Collins' military decorations included four Legions of Merit, two Bronze Stars, two Meritorious Service Medals, the Army Commendation Medal and the Air Medal.

He was a member of the National Defense Transportation Association and the American Society of Logistics Engineers.

His marriage to the former Pauline Johnson ended in divorce.

Survivors include his wife, Alice Lee Collins of Fairfax; their three children, Elizabeth and Catherine, both of Fairfax, and Charles, of Woodbridge; one son from his first marriage, Michael Collins of New Orleans, and his mother, Mary E. Collins of Washington.