YOUTH CHALLENGE U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, congratulates graduates of the New Jersey National Guard Youth ChalleNGe Academy at their graduation in Trenton, N.J., Aug. 29, 2009. The program identifies New Jersey youth who have dropped out of high school and uses military style training to enhance their life skills and employment potential. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 409095-K-ESL58-903.jpg Photo Gallery