The reaction was a swift 3% plunge in the share price...

In Feb., Lockheed Martin said in a filing that "The F-35 program is our largest program, generating 20% of our total consolidated net sales, as well as 59% of Aeronautics' net sales in 2015"

The tweet appears to have come in response to this story exposing "The Pentagon's most expensive weapons program"... (via ABC)

U.S. Defense Secretary Ash Carter was visiting Israel Monday as it prepared to receive the first two next-generation F-35 fighter jets that will help preserve the country's military edge in the volatile Mideast.

The F-35 is the Pentagon's most expensive weapons program, with an estimated cost of nearly $400 billion. Israel is among a small number of allies to get the plane.