20/20 S2011E07 - Astronaut Love Triangle: The Soap Opera Behind the Space Shuttle

Lisa Nowak has been to outer space, but that's nothing compared to the trip she took from Houston to Orlando. It was a bizarre story that made national headlines: decorated astronaut and national hero Lisa Nowak drove 900 miles through five states to confront her ex's new girlfriend, Air Force Captain Colleen Shipman, in a deserted dark Orlando airport parking lot. Why did Nowak have a knife, bb gun, mallet, pepper spray and diapers with her? What was her plan?