>> Alright, White House correspondent Serena Marshall. Thank you, >> top gun Ukrainian pilot died this week when his U.S. made F 16 fighter jet crashed during a Russian missile attack. >> That pilot known as Moo Fish is being remembered as a hero. He was just one of 6 Ukrainians qualified to fly the F sixteens that began arriving in Ukraine just earlier this month. >> Our international correspondent Jason Bellini is joining us now live from Kiev, Ukraine. Jason, what more can you tell us about this attack? >> It does so. On Monday, Russia launched what officials here squad has the largest missile and drone barrage at Ukraine since this war began. Now is the said afterwards that some of the missiles and drones were shot down by a 16 Z was the first time that they've been used in combat. What he didn't say at the time is one of those f sixteens had crashed this is just a devastating loss, not just militarily but emotionally here in One of the few, the first F 16 pilots to take to the skies over Ukraine. >> Died when his jet went down Monday. Ukraine's Air force identifying him as Colonel Alexei Mask. call sign Moon fish. source confirming to scrippsnews that he was the pilot shown in this video released in February while in an abbreviated training program in Denmark. >> Duration of the training that we going through. Israeli shorts. >> The typical training for 16 pilots 3 years fish fiercely advocated for the U.S. to allow Ukraine to receive F sixteens making a lobbying trip in 2022. To the U.S. Capitol, along with his comrade juice. >> Juice crashed and died during a training exercise. Almost exactly a year ago. The first of 16 crush is a major blow to Ukraine. The fighter jet, a potent symbol of hope. The arrival of the first handful of them announced with fanfare earlier this month. Their first combat mission on Monday, a mix of triumph shooting down several Russian missiles and >> Ukraine has not said pilot error was a factor and brings a launch, an investigation to find out what the cause of this crash was. the efforts of 6 teams were deployed this really testifies to the serious lack of air defense here in this country. Ukraine still waiting for additional Patriot missile systems been promised to it. really they don't have many of these sixteens yet just a handful of them. They're expecting more by the end of the year. Also don't have that many pilots they consider this to be vital to long-term security before that should be able to really take Russians in the sky. They need to have more than What Ukraine officials are saying. Back to >> Certainly a big loss for Ukrainian forces.