U.S. Army Maj. Cameron Craig, J5 plans officer with the British 7th Air Defense Group in Portsmouth, United Kingdom, discusses best practices with fellow Military Personnel Exchange Program Soldiers during a week of training for the Soldiers at Sembach, Germany Oct. 31 to Nov. 4. The Military Personnel Exchange Program is a security cooperation program involving the reciprocal exchange of personnel between the U.S. Army and a similar unit in a foreign military service.