Keywords: US Navy 071217-N-0606B-004 Chief of Naval Operations Adm. Gary Roughhead addresses the ROTC graduates of Purdue University in West Lafayette during a Tri-Service Commissioning Ceremony.jpg en WEST LAFAYETTE Ind Dec 17 2007 Chief of Naval Operations Adm Gary Roughead addresses the ROTC graduates of Purdue University in West Lafayette during a Tri-Service Commissioning Ceremony There are 470 students enrolled in ROTC at Purdue; 168 are in the Navy ROTC Program U S Navy photo by Chief Mass Communication Specialist Rhonda Burke Released 2007-12-17 071217-N-0606B-004 Navy http //www navy mil/view_image asp id 54017 U S Navy photo by Chief Mass Communication Specialist Rhonda Burke PD-USGov-Military-Navy Purdue University Gary Roughead in 2007 Purdue Memorial Union |