U.S. Air Force Lt. Col. Tom Niichel measures the depths of flood waters along a bike path while conducting a site survey of bridges affected by flooding in Loveland, Colo., Sept. 19, 2013. Niichel is assigned to the Colorado Air National Guard's 240th Civil Engineering Flight. U.S. Air Force Lt. Col. Tom Niichel measures the depths of flood waters along a bike path while conducting a site survey of bridges affected by flooding in Loveland, Colo., Sept. 19, 2013. Niichel is assigned to the Colorado Air National Guard's 240th Civil Engineering Flight. SHARE: Download: Full Size (2.63 MB) Tags: Photo Essays Credit: VIRIN: 422975-A-OSB46-560.jpg Photo Gallery