A member of a pro-Russian self defence unit swears an oath to the pro-Russia Crimea regional government in Simferopol March 13, 2014. Ahead of a referendum on Sunday when this Ukrainian region votes ... more 
A member of a pro-Russian self defence unit swears an oath to the pro-Russia Crimea regional government in Simferopol March 13, 2014. Ahead of a referendum on Sunday when this Ukrainian region votes to decide whether to come under Moscow's rule, thousands of masked Russian troops have fanned out across the peninsula. REUTERS/Vasily Fedosenko (UKRAINE - Tags: POLITICS MILITARY) less 
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Reuters | Photo By VASILY FEDOSENKO / Reuters
Thu, Mar 13, 2014 9:24 AM EDT