Tech. Sgt. Katherine Blanchfield (right), 512th Mission Support Squadron Career Enhancement NCO in-charge and a physical training leader, helps Senior Airman Lorraine Almanza, 512th MSS knowledge operator, maintain the proper sit-up technique at the fitness center here March 7. PTLs monitor the Airmen in their unit to ensure they are not only passing their physical assessments, but remediate those who need the assistance in maintaining a fit-to-fight physique. (U.S. Air Force photo/Senior Airman Bhawan Singh)