The Trump administration has resumed sending some weapons to Ukraine, a week after the Pentagon had directed that some deliveries be paused.

Following the Pentagon announcing a pause on weapons, the U.S. president said Ukraine must defend itself from Russia.

Rep. Eugene Vindman (D-VA) joins MSNBC’s Ali Velshi to discuss Donald Trump’s shifting explanation of the Ukraine weapons pause and why, according to Rep. Vindman, it’s “dangerous” that our “Commander-in-Chief is the last to know.

U.S. military and NATO officials are discussing a possible plan that could be unveiled in the coming days to provide Ukraine with much-needed aerial defense weapons.

Supporters of US President Donald Trump in the Senate are calling for an investigation into Defense Secretary Pete Hegseth, who reportedly suspended military aid to US allies, most notably Ukraine, without presidential approval,

In a wide-ranging interview with NBC News, Trump talked about tariffs, sending Patriot missiles to NATO for Ukraine and how he'll sell his recently passed "big, beautiful bill."