Big Craters News Today : Breaking News, Live Updates & Top Stories | Vimarsana

You stand by. i want to go to nick paton walsh. i understand he's hearing air raid sirens. can you tell us what you're experiencing, snik. >> reporter: absolutely. we are in the southern town where the land bridge up to main ukraine from crimea controlled by the russians into which they've poured many troops. we're here for 24 hours. this is the first time we've heard an air raid sirens. i don't know if you can pick it up on the microphone. >> we can. >> there's some wind here. there's been an intense fight on the eastern pacific as we came in. we saw the damage this morning, big craters. ukra...

Because you go back to that airfield and look at some details. what you're seeing here are fortified bunkers, as you saw in that video, for holding these planes. there are at least 15 of them easily spotted around here. and as you saw in that video, they are big concrete structures that don't easily allow you to get a bomb inside of them. there's some belief it may take two or three cruise missiles to actually get in here and destroy an aircraft to make sure it was gone, even though these are very big missiles. so, command and control trying to hit the aircrafts, trying to actually break throu...