Each officer selected for promotion to the grade of brigadier general or, in the case of the Navy, rear admiral (lower half) shall be required, after such selection, to attend a military education course designed specifically to prepare new general and flag officers to work with the other armed forces.
(1) Subject to paragraph (2), the Secretary of Defense may waive subsection (a)—
in the case of an officer whose immediately previous assignment was in a joint duty assignment and who is thoroughly familiar with joint matters;
The authority of the Secretary of Defense to grant a waiver under paragraph (1) may only be delegated to the Deputy Secretary of Defense, an Under Secretary of Defense, or an Assistant Secretary of Defense. Such a waiver may be granted only on a case-by-case basis in the case of an individual officer.