Janna Schickel, wife of Staff Sgt. Matt Schickel, a platoon guide from Company E, 4th Tank Battalion, 4th Marine Division, welcomes her husband home Nov. 15, 2012, at Fort Knox, Ky., upon his return from a six-month deployment to Afghanistan. The Lanesville, Ind., native was greeted by friends and family upon his arrival at Fort Knox. (U.S. Marine Corps Photo by Cpl. Nana Dannsa-Appiah/Released) - Janna Schickel, wife of Staff Sgt. Matt Schickel, a platoon guide from Company E, 4th Tank Battalion, 4th Marine Division, welcomes her husband home Nov. 15, 2012, at Fort Knox, Ky., upon his return from a six-month deployment to Afghanistan. The Lanesville, Ind., native was greeted by friends and family upon his arrival at Fort Knox. (U.S. Marine Corps Photo by Cpl. Nana Dannsa-Appiah/Released)

Mike Parrell, a counter-improvised explosive device instructor with the Marine Corps Engineer Center, explains the various ways insurgents can hide IEDs to a group of Marines from Provisional Security Platoon, 1st Supply Battalion, 4th Marine Logistics Group during counter IED training Nov. 5. The PSP Marines are training for an upcoming deployment to Afghanistan. - Mike Parrell, a counter-improvised explosive device instructor with the Marine Corps Engineer Center, explains the various ways insurgents can hide IEDs to a group of Marines from Provisional Security Platoon, 1st Supply Battalion, 4th Marine Logistics Group during counter IED training Nov. 5. The PSP Marines are training for an upcoming deployment to Afghanistan.

Lance Cpl. Mark Deluca, a squad automatic weapon gunner with 1st Battalion, 25th Marine Regiment, points out the location of a possible improvised explosive device during a training scenario June 16. - Lance Cpl. Mark Deluca, a squad automatic weapon gunner with 1st Battalion, 25th Marine Regiment, points out the location of a possible improvised explosive device during a training scenario June 16.