An official website of the United States Government 
Here's how you know

Official websites use .gov

A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS

A lock ( lock ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Photos

Snapshots of what’s happening in the Defense Department.

U.S. Marine Corps Gunnery Sgt. Lisa Kulczewski, right, acts as a victim while Marine Corps Sgt. Richard A. Rodriguez demonstrates the proper technique for treating head, neck and spinal injuries during a water survival course for instructors on Marine Corps Base Camp Johnson, N.C., March 5, 2013. Kulczewski and Rodriguez are Marine Corps water survival instructors.

U.S. Marine Corps Gunnery Sgt. Lisa Kulczewski, right, acts as a victim while Marine Corps Sgt. Richard A. Rodriguez demonstrates the proper technique for treating head, neck and spinal injuries during a water survival course for instructors on Marine Corps Base Camp Johnson, N.C., March 5, 2013. Kulczewski and Rodriguez are Marine Corps water survival instructors.

U.S. Marine Corps Gunnery Sgt. Lisa Kulczewski, right, acts as a victim while Marine Corps Sgt. Richard A. Rodriguez demonstrates the proper technique for treating head, neck and spinal injuries during a water survival course for instructors on Marine Corps Base Camp Johnson, N.C., March 5, 2013. Kulczewski and Rodriguez are Marine Corps water survival instructors.

Photo Gallery