WASHINGTON, Nov. 18, 2008 – Some people join the military for the educational opportunities, or for the travel benefits. Others join for the challenge. Marine Staff Sgt. Daniel Kachmar returned to active duty after being seriously wounded in Iraq in August 2005. Courtesy photo (Click photo for screen-resolution image);high-resolution image available. Seeking that challenge was the main motivator for one young Marine who joined the Corps in January 2002. Staff Sgt. Daniel Kachmar, who grew up in Pittsburgh, said he had a calling to join the Marine Corps. “I needed some direction in my life so I joined the Marine...