Jolene Mancini, occupational audiologist at Naval Health Clinic Quantico, speak to Cpl. Randell Alexander, left, and Sgt. Oscar Portillo during their post-deployment health assessment, Nov. 20. Both Marines are Marine Corps security guards. - Jolene Mancini, occupational audiologist at Naval Health Clinic Quantico, speak to Cpl. Randell Alexander, left, and Sgt. Oscar Portillo during their post-deployment health assessment, Nov. 20. Both Marines are Marine Corps security guards.