Saudi Arabia committed to buying hundreds of U.S.-made tanks, part of a larger spending-and-security conversation between the two countries, the White House said.

Why it matters: It's a massive, long-term commitment — and one that appears to shrug off doubts regarding the tank's role on the battlefield of the future.

Driving the news: The Trump administration on Tuesday announced a slew of deals with Riyadh following consultations with Saudi Crown Prince Mohammed bin Salman. • The arrangement for "nearly" 300 tanks, in particular, will enable "Saudi Arabia to build up its own defense capabilities" while "safeguarding hundreds of American jobs," it said.

Zoom in: General Dynamics Land Systems makes the Abrams main battle tank. It's used by the U.S. Army and has been adopted overseas, i

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