An alternative "baseline algorithm" approach developed by TRW that does not appear to have the sorts of problems said to be associated with the"extractor" is being preserved as a back-up in case the Raytheon kill vehicle ultimately proves unworkable.
He was told he would be arrested for criminal damage as the bathroom toilet, extractor fan and light fitting were broken, but became aggressive and approached one of the officers with his fists clenched.
TRW's so-called Kalman Feature Extractor that Dr. Schwartz claimed was defective was not utilized in the warhead version submitted for the competition.