Sgt. Steven R. Walker, a weapons instructor at the

Sgt. Steven R. Walker, a weapons instructor at the Joint Security Academy Southwest, teaches Afghan National Army soldiers from the 215th Corps and Afghan Uniformed Police officers how to properly assemble a rocket propelled grenade, Oct. 24. The soldiers and police officers are participating in the joint noncommissioned officer course at the Joint Security Academy Southwest, Camp Leatherneck, Afghanistan. The course is designed as a secondary training evolution for those soldiers and officers that have only attended the basic recruit training class.