WASHINGTON (AP) _ President Bush said Wednesday he will nominate a Pentagon official, Susan Jane Koch, to be assistant director of the U.S. Arms Control and Disarmament Agency.

Koch, 46, would succeed William H. Fite in the arms control post if confirmed.

She is a former Central Intelligence Agency analyst who has worked for the Defense Department since 1982, most recently as director of an office on nuclear forces and arms control under the assistant secretary for international security policy.

A native of Bridgeport, Conn., she is a Mount Holyoke College graduate with a Ph.D. in political science from Harvard. She taught political science at Mount Holyoke and the University of Connecticut from 1970 to 1975.