U.S. Air Force Senior Airman Olyia Bashaw levels a tripod while setting up a 5600 total station to calculate elevation points at Spangdahlem Air Base, Germany, Feb. 29, 2012. The geobase shop gathers Global Positioning System locations of existing structures and newly-constructed buildings here to update the base map. Bashaw is an engineering journeyman with the 52nd Civil Engineer Squadron. (U.S. Air Force photo by Airman 1st Class Matthew B. Fredericks)
<br>Unit: Defense Imagery Management Operations Center
Senior Airman Matthew Fredericks
Taken on 29 February 2012
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