Some days Bob Bishop works in an office. Some days he straps himself into a 12-foot-long mini-jet, screams across the treetops at nearly 300 mph as paid professional plane killers in military jet fighters try to wax him. "It's like playing a video game," says Bishop, president of Aerial Productions International Inc., which operates out of Marana Regional Airport, 11700 W. Avra Valley Road. His company provides four BeDe 5 mini-jets that pretend to be enemy cruise missiles so U.S. military pilots can practice shooting them down. Bishop says the planes started off in the 1970s as personal commuter planes,...