Back from mariupol, to donetsk. so they are creating a delay in action, creating more time for the ukrainian military to get here in the donbas region. clint, what exactly is indirect fires m. indirect fires, when we talk about them, you ll hear people talk about russian fires. we re talking about artillery, missiles, and aircraft, essentially, air strikes. they ll use a combination of those three to very devastating effects. this is, one, to suppress ukrainian military. two, to try to atrite them over time. most ukrainian casualties have been due to these indirect fires. and three, whenever you have artillery bombardments, missile bombardments to come in, it allows armor formations to advance, especially on roads when it s a muddy season in the east and they can t get into those farmlands and open areas, it s a way for them to advance armor, because the ukrainian military is pinned down. clint watts, thank you so much for being with us. still ahead, exclusive new