Texas Army National Guard Staff Sgt. Jozef Retana, 2nd Platoon, Company A, 1st Battalion, 143rd Infantry Regiment, security forces team leader, stands guard at a local Afghan school in Khawja Omari district as provincial reconstruction team engineers inspect construction of a new addition April 9,2012. The 37-member SECFOR's training began in July 2011 and their professionalism provides the highest level of security to PRT Ghazni.