"Yu Long, 36, attempted to bring to China defense documents labeled with warnings against copying them or taking them outside the country."[ Former UTC Scientist Charged With Trying To Take Sensitive Files To China, December 9, 2014 ]

"Long's work history touched on the F119 engine used in the F-22 Raptor and the F135 engine used in the F-35 Lightning II Joint Strike Fighter, according to the criminal complaint."

Brian Dowling in the Hartford Courant reported the arrest of a Chinese citizen with US residency:Dowling also reports that:In another article in the Hartford Courant, Dowling reported that Mozaffar Khazaee , a naturalized US citizen who still holds an Iranian passport, attempted to "ship documents to Iran related to the U.S. military's Joint Strike Fighter aircraft."[ Ex-Pratt Worker Allegedly Tried To Ship F-35 Files To Iran , January 13, 2014]

Hostile nations are rapidly acquiring weapons capable of threatening us and it is no secret that stolen US technology is helping.[Chinese Data Theft Could Be 'Disastrous' For The US Military's Most Expensive Fighter Jet, by Jeremy Bender, Business Insider, March 14, 2014]When will America wake up and keep immigrants from hostile nations away from America's defense secrets?

But immigrants stealing secrets and helping external enemies is merely a symptom of an even greater problem. We do not need to lose a war to lose our country—enough immigrants indifferent or hostile to American values will suffice.