way to take over from the interim government in ukraine. reporter: the russian military is taking over the ukrainian air bases today. there was an armored personnel carrier who battoned down the base, and he vowed to stand his post, and it is basically and fortunately a nonlethal assault by the russian military that forced the ukrainian officers there to give a humiliating surrender to the russian military, and this is a scene that has played out again and again at one base after another in the crimean peninsula, which is causing some crimeans to ask the government, what are you doing about the thousands of ukrainian troops on the ground left incircumstanencircled by t