The Mississippi ChalleNGe Academy (MCA) is part of the National Guard Youth ChalleNGe Program. We serve male & female at-risk youth, 16-18 years of age. The MCA has graduated 39 classes for a total of 7,675 graduates to date. MCA is currently accepting applications for Class 41 which starts July 19, 2014...Are you ready to accept the CHALLENGE? Call 1-800-507-6253.