article_snippet.sent: Its staggering $400,000 price tag is millions more than the original budget because of problems in Its development .
article_snippet.sent: Military force: The U.S. government estimated The F-35 Lightning II would cost around $1.5trillion to develop over the next 50 years .
article_snippet.sent: The Pentagon's astonishing estimate for the lifetime cost an F-35 is up almost $120billion from about year ago.
article_snippet.sent: The new estimate includes maintenance costs of around $1.1trillion over the plane's lifetime, the price of the aircraft itself which is $332billion and another $63.8billion for the engine.
highlights_snippet.sent: Its price tag is millions over original budget due to development problems .
  