Russell C. Coile, 94, a researcher at the Center for Naval Analyses, who had a second career as a disaster coordinator, died June 4 at his home in Pacific Grove, Calif. He had chronic obstructive pulmonary disease.

Dr. Coile spent 32 years with the Center for Naval Analyses in the Washington area. His studies on military operations included field research on radar detection during the Korean War and he contributed to the testing of a new rifle for the Marine Corps during the Vietnam war.

In 1982, Dr. Coile moved to California, where he worked as an Army combat research scientist. During the 1990s, Dr. Coile was an emergency manager and disaster planning coordinator for Pacific Grove and later in Sand City, Calif. He retired in 2009.

Russell Cleven Coile was born in Washington.

He was a 1938 electrical engineering graduate of the Massachusetts Institute of Technology, where he received a master’s degree in electrical engineering in 1939 and a second graduate degree in the same subject in 1950. He received a doctorate in information science from the City University in London in 1977.

During World War II, Dr. Coile served in the Army signal corps where he helped develop transponders for aircraft. He also served in the Air Force and for many years in the Air Force Reserve, retiring in 1977 as a colonel.

His marriage to Peg Wallace ended in divorce.

He was predeceased by two sons from his first marriage, Russell C. Coile Jr., and Benjamin Coile, who disappeared in 1966 and was declared dead about a decade later.

Survivors include his wife of 59 years, Ellen Miller Coile of Pacific Grove; a son from his first marriage, Christopher Coile of Wareham, Mass.; three children from his second marriage, Jennifer Coile of Hollister, Calif., Jonathan Coile of Grasonville, Md., and Andrew Coile of Marina, Calif.; three grandchildren; and four great-grandchildren.

— T. Rees Shapiro