Tony Benfer, a right-leg amputee that competes in swimming, basketball and cycling, swims a 50-meter timed lap during a Marine Corps Trials swim-training camp here Feb. 27. Wounded, ill and injured Marines are slated to compete in the 2013 Marine Corps Trials here March 1-6. The Wounded Warrior Regiment will hold the Marine Corps Trails for more than 300 Marines from Wounded Warrior Battalion’s East and West, veterans and international militaries.