The app may be defective.

I'm Lisa.

Sarah, Fox News.

That's President Trump's reaction as the administration continues to face criticism over a group chat about military airstrikes.

President Trump's, members of his administration, may need to stop using the app's signal altogether after a journalist was inadvertently added to a group chat with top officials about air strikes in Yemen.

It could be that signal is not very good.

It's a company. Maybe it's not very good. I think we'd rather know about it now.

There was no harm done because the attack was unbelievably successful that night.

Defense Secretary Pete Hegseth and other senior officials say no war planning or classified

material was shared, though messages do include the timing and sequence of strikes.

The National Security Advisor is investigating how the journalist was mistakenly added to the

group chat.

Fox is Jared Halperper at the White House.

Illinois Democratic Senator Tammy Duckworth, a combat veteran,

and member of the Senate Armed Services Committee,

says Defense Secretary Pete Higg says should resign.

She tells Foxes Brett Baer.

So what he texted was the drones are going to hit,

then the second sorty of F-18s will be on target.

That tells the enemy exactly when

the drones hit in that spot, 30 minutes later, the F-18s are going to be there. That is my concern.

That's why I'm so upset as a former pilot. And she says she worries about future missions,

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