Mr. and Mrs. David Wallace of Hereford, Ariz., have announced the engagement of their daughter, Emily Wallace, to 1st Lt. Christopher Morse, USAF of Arizona, the son of Mr. and Mrs. George Morse of Prescott, Ariz. Emily is a graduate of Baptist College of Health Sciences in Memphis, Tenn. She is a radiation therapist at the Arizona Breast Cancer Specialists in Scottsdale, Ariz. Christopher is a graduate of Embry-Riddle Aeronautical University in Prescott. He is an F-16 pilot in the U.S. Air Force and will serve in Kusan, Korea. A 2013 wedding in Prescott is planned.