President-elect Donald Trump is taking shots at another military plane he thinks is too expensive.

FOX's Rachel Sutherland reports from Washington:

The President-elect tweeted about the U.S. military's F-35 deal with Lockheed Martin, saying the program and its cost is out of control, adding "billions of dollars can be saved on military and other purchases after January 20th".

The tweet comes as Defense Secretary Ash Carter is in Israel to deliver two new F-35 jets. Lockheed Martin has responded, saying the company understands concerns about affordability.

Last week, Mr. Trump tweeted about a contract with Boeing to build the next generation of Air Force One. Citing costs, he threatened to cancel the deal.

In Washington, Rachel Sutherland, FOX News.

Follow Rachel Sutherland on Twitter: @SutherlandFOX