Russia launched a full-scale invasion of Ukraine on Thursday, unleashing airstrikes on cities and military bases and sending in troops and tanks from three sides in an attack that could rewrite the post-Cold War security order. Ukraine’s government pleaded for help as civilians piled into trains and cars to flee. // DETAILS: https://bit.ly/3IqDPxa 10TV is taking a look back at the history of Ukraine's relationship with NATO and Russia.