Lance Cpl. Joshua Perez, administration clerk, Headquarters Battalion, Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., always knew he would join the military, but it was his drive to challenge himself that led him to join the world's Force in Readiness. - Lance Cpl. Joshua Perez, administration clerk, Headquarters Battalion, Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., always knew he would join the military, but it was his drive to challenge himself that led him to join the world's Force in Readiness.