"It's an amazing programme," Jeff Babione, Lockheed's programme manager for the F-35s, told journalists in Israel where two of the planes were due to land.
"It's great value and I look forward to any questions that the President-elect may have."
Babione was responding to Trump's labelling of the cost of the aircraft as "out of control".
The US aerospace company has a USD 1.5-trillion contract through 2070 for the latest generation of the fighter jets, at a cost of about USD 100 million each.
His tweet coincided with Defence Secretary Ash Carter's visit to Israel to celebrate delivery of the country's first two F-35s, although they were delayed by bad weather.
The aircraft had been scheduled to land at 2 pm local time (12:00 GMT) but were now expected at around 7:30 pm (1730 GMT).
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