Retired general Paul Xavier Kelley—his initials got him the nickname “P.X. Kelley”—rose through the ranks in his 37-year career to become the 28th commandant of the United States Marine Corps. In this interview, originally published in the September 2014 Armchair General magazine, he talks about his two tours of Vietnam, his exchange tour with Britain’s Royal Marines, his role as the first commander of the Rapid Deployment Task Force, and more.

Click here to download a pdf of “10 Questions for General Paul X. ‘P.X.’ Kelley.”