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Live in Times Square, this is Good Morning America.

Good morning America. So great to have you with this. You like that fun flation part.

Oh, I love that. I love Beyonce too. Yeah, of course. We got more on all of that. Good morning, everybody.

Rachel Scott in the house this morning. Jenea is off filling in at the desk. It's great to have you.

We got a lot to cover today, including spring training in full swing. The changes that you can expect this season in Major League Baseball and the end of an era for the Yankees.

Plus, LA's fire chief has been removed in the aftermath of those devastating wildfires, but she's not stepping away entirely.

Also, murder suspect Luigi Mangione appearing in a New York courtroom, what his attorney is saying about the evidence collected and what has not been provided to the defense.

But first, we do begin here with the federal firings reaching top Pentagon officials overnight.

President Trump firing the chairman of the Joint Chiefs of Staff and ABC's senior White House correspondent.

Selina Wang is in Washington following the breaking details.

Selena, good morning to you.

Hey, good morning, Gio.

This is an unprecedented purge of military leadership.

The president is firing the highest ranking military officer in this country and other senior

leaders.

It is sending shockways through the Pentagon.

Now, the president hasn't directly said why he's firing them,

...