Caribbean sun rises as 'Oak' goers report for duty
The sun rises over a Puerto Rico Air National Guard C-130 while 911th Airlift Wing crews arrive on base to begin preparations for an early morning mission on April 4, 2012. Unit members are currently supporting Air Expeditionary Force 'Coronet Oak' operations based out of Muniz Air National Guard Base, Puerto Rico. (U.S. Air Force photo by Capt. Shawn M. Walleck/Released)