An  Israeli Air Force technician has come up with a novel way to keep aging fighter jets flying: using a baby-viewing ultrasound device to look for cracks in their frames.

Several months ago Lockheed-Martin, which manufactures F-16 fighter jets, alerted air forces around the world that its initial estimates of 9,000 hours of trouble-free flying may have been a little too optimistic, the Hebrew daily Yedioth Ahronoth reported on Thursday.

Specifically, cracks were found at the wing base in F-16C and F-16D versions after just 7,000 hours of air time. If not repaired, the cracks could worsen and eventually compromise the airworthiness of the jet or even cause it to crash. […]