Staff Sgt. Alfredo Topete (right), Marine Attack Squadron 513 ordnance technician and native of Los Angeles, performs a hip throw on Sgt. Erik Costner, Marine Aviation Logistics Squadron 13 calibration technician and native of Buffalo, N.Y., during an exercise called ?bull in the ring? Dec. 7 at Ramada Field here as part of a martial arts instructor training course. ?Bull in the ring? places one Marine in the center of a circle of Marines who then attack the ?bull.? The ?bull? then uses the techniques they have learned to counter the attacks. - Staff Sgt. Alfredo Topete (right), Marine Attack Squadron 513 ordnance technician and native of Los Angeles, performs a hip throw on Sgt. Erik Costner, Marine Aviation Logistics Squadron 13 calibration technician and native of Buffalo, N.Y., during an exercise called ?bull in the ring? Dec. 7 at Ramada Field here as part of a martial arts instructor training course. ?Bull in the ring? places one Marine in the center of a circle of Marines who then attack the ?bull.? The ?bull? then uses the techniques they have learned to counter the attacks.