Sandbag Shuffle Armen fill sandbags at Offutt Air Force Base, Neb., during preparations for anticipated flooding of the base, March 16, 2019. An increase in water levels of surrounding rivers and waterways caused by record-setting snowfall over the winter, in addition to a large drop in air pressure, caused widespread flooding across Nebraska. SHARE IMAGE: Download Image: Full Size (2.16 MB) Tags: Army National Guard, Humanitarian Aid Photo By: Air Force Tech. Sgt. Rachelle Blake VIRIN: 190316-F-IT794-1026C.JPG Photo Gallery