TRACY - Elizabeth Sloane Metcalf and Brady Allan Jackson announce their engagement. Parents of the couple are Shane and Michelle Metcalf of Anchorage, Alaska, and Robert and Mev Jackson of Tracy. Metcalf is a 2007 graduate of Grace Christian School in Anchorage. She plans to graduate this spring from South Dakota State University in Brookings, S.D., with a degree in health physical education and recreation. She will enter the US Air Force as a 2nd lieutenant. Brady is a 2007 graduate of Tracy Area High School and attends SDSU and plans to graduate in 2012 with a degree in civil engineering. Following graduation, he will enter the US Air Force as a 2nd lieutenant. A June 11, 2011, wedding is planned in Brookings, S.D.