; 128 Stat. 3651). (b) Covered parts defined In this section, the term covered parts means commercially available off-the-shelf items as defined in section 104 of title 41, United States Code. 1645. Plan to train officers in nuclear command, control, and communications (a) In general The Secretary of Defense shall, in consultation with the Secretary of the Air Force, the Secretary of the Navy, and the Chairman of the Joint Chiefs of Staff, develop a plan to train, educate, manage, and track officers of the Armed Forces in nuclear command, control, and communications. (b) Elements The plan required by subsection (a) shall address— (1) manpower requirements at various grades; (2) desired career paths and promotion timing