"One-third of Offutt [Air Force base] underwater; at least 30 buildings damaged in flood"

Omaha:

Between Saturday night and early Sunday, the 55th Wing called off a 30-hour, round-the-clock sandbagging effort because the floodwaters were rising too fast.

...

A specialized device called an Aqua Dam, 4 feet high, was flown in from Louisiana to surround a building that contained expensive flight simulators. But the water rose too quickly to deploy it.

Reuters:

Large parts of Nebraska and the U.S. Central Plains were underwater on Saturday after a late-winter “bomb cyclone” storm triggered historic flooding along the Missouri and Platte rivers