Experts name reinforced cockpit doors among best aviation security moves since 9/11 . But that concept , and some of the physical means of screening , have opponents who invoke that other `` P word '' -- privacy . Automated computer profiling is needed to detect threats , analysts say . The U.S. government has spent billions of dollars on airport screening technology in recent years -- and the TSA says it will spend another $900 million this year alone.
Experts name reinforced cockpit doors among best aviation security moves since 9/11 . Automated computer profiling is needed to detect threats , analysts say . The U.S. government has spent billions of dollars on airport screening technology in recent years -- and the TSA says it will spend another $900 million this year alone.