Lisa Marie Nowak , 46 , is accused of kidnapping Air Force Prosecutors accuse Nowak of driving nearly 900 miles wearing NASA diapers to track down her rival . Lt . Colleen Shipman . Police say Nowak , wearing diapers , drove 900 miles to meet Shipman . Nowak donned disguise , pepper - sprayed Shipman , authorities say . Ex - astronaut says she was at airport to talk to Shipman .
Lisa Marie Nowak , 46 , is accused of kidnapping Air Force Lt . Colleen Shipman . Police say Nowak , wearing diapers , drove 900 miles to meet Shipman . Nowak donned disguise , pepper - sprayed Shipman , authorities say . Ex - astronaut says she was at airport to talk to Shipman .