Lon Levin (right) , a co-founder of XM Satellite Radio, will speak April 10 to a luncheon co-sponsored by the Colorado Springs Economic Development Corp. and the Colorado Springs-based U.S. Space Foundation. The luncheon takes place at 11:30 a.m. at The Broadmoor hotel's Rocky Mountain Ballroom, on Colorado Springs' southwest side. Levin's talk coincides with the 23rd National Space Symposium, which takes place April 9-12 at The Broadmoor. Levin currently is chief strategic officer of Virginia-based Transformational Space Corp.; he also serves on the Space Foundation's board of directors, was an attorney with the Federal Communications Commission and was inducted into the Space Technology Hall of Fame in 2002. Levin will speak on "How Commercial Enterprise is Driving Growth in the $180 Billion Global Space Economy." He'll be introduced by Elliot Pulham, the Space Foundation's president and chief executive officer. The luncheon cost is $27. More information: 475-6455.