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Welcome to Tech News Briefing. It's Wednesday, April 9th.

I'm Victoria Craig for the Wall Street Journal. The future of American space exploration is in focus on Capitol Hill today.

The man nominated to head up NASA begins his nomination hearing.

But it's not just about him, it's about Elon Musk's involvement in the agency

and a potential pivot to speeding up a manned mission to Mars.

Since President Trump took his seat behind the Resolute Desk at the White House again in January,

Elon Musk has been constantly by his side. The tech billionaires' focus on Doge has been the most

high profile of his tasks, and in the last

few months, he's worked to dismantle the federal bureaucracy and reduce costs. He's also set his sights

on NASA. He recommended friend and fellow billionaire Jared Isaacman to head up the American Space Agency,

and on January 20, Isaacman was officially nominated as NASA administrator.

At 10 a.m. Eastern today, he'll take the hot seat before the Senate Committee on Commerce,

...