Combat Helicopter Taking News Today : Breaking News, Live Updates & Top Stories | Vimarsana

i'm alex marquardt in "the situation room." ♪ "out front" next. 34 hours, that's how much oxygen is left for the five people missing on a submersible heading to the titanic. plus, hunter biden's plea deal. president biden's son agreeing to plead guilty to federal criminal charges, most likely avoiding jail time. republicans are calling it a sweetheart deal. is it? and turning russians from putin's war into a prison cell. the new campaign from behind bars for alexei navalny. his daughter dasha is my guest. good evening. i'm erin burnett. the clock is ticking as rescuers race...

Hard to come by. the biggest threat, ukraine says, russian air power. this video purporting to show a russian combat helicopter taking out a ukrainian vehicle. the ukrainians say russian interceptor aircraft like the su-35 often stopped their old mig jets from operating near the front lines. this mig 29 pilot who asked us to hide his face and use only his call sign juice tells me. >> without proper hardware, you can't win. >> reporter: the ukrainians say they need f-16s from the u.s. and its allies to level the playing field and to fully utilize the air-launched missiles the u.s. has already g...