In an exercise demonstrating knowledge of life saving procedures, Lance Cpl. Aaron Chasse, infantryman, 2nd battalion, 1st Marines, right, buddy tows Cpl. Anthony Noble, infantryman, 1st Battalion, 5th Marines, during a Marine Combat Instructor of Water Survival course at Marine Corps Air Station Miramar, Calif., Sept.22. - In an exercise demonstrating knowledge of life saving procedures, Lance Cpl. Aaron Chasse, infantryman, 2nd battalion, 1st Marines, right, buddy tows Cpl. Anthony Noble, infantryman, 1st Battalion, 5th Marines, during a Marine Combat Instructor of Water Survival course at Marine Corps Air Station Miramar, Calif., Sept.22.