Airman 1st Class Ernest Gilmore, 436th Civil Engineer Squadron, pressure washes a piece of snow removal equipment using heated water on March 20, 2014, at Dover Air Force Base, Del. Gilmore is a heating and air conditioning technician by trade but has been pulled to assist with a group equipment clean-up in an effort to quickly return the equipment to service. (U.S. Air Force photo/Greg L. Davis)
Two bright yellow Oshkosh snow removal machines are cleaned March 20, 2014, in preparation for their return to service after being used extensively at Dover Air Force Base, Del. The equipment belongs to the 436th Civil Engineer Squadron. (U.S. Air Force photo/Greg L. Davis)
Airman 1st Class Ernest Gilmore, 436th Civil Engineer Squadron, pressure washes a piece of snow removal equipment using heated water on March 20, 2014, at Dover Air Force Base, Del. Water droplets that have splashed up during the work can be seen on A1C Gilmore???s glasses. (U.S. Air Force photo/Greg L. Davis)
White nylon bristles that are part of a street sweeper machines brush await installation on equipment used by the 436th Civil Engineer Squadron, 'Dirt Boys', on March 20, 2014, at Dover Air Force Base, Del. The bristles can quickly be replaced to keep the machine operating at peak capability. (U.S. Air Force photo/Greg L. Davis)
Senior Airman Caleb Ash, 436th Civil Engineer Squadron, 'Dirt Boys', uses a shovel to scrape away dirt from part of an underground water line that has been dug up for repair on March 21, 2014, at Dover Air Force Base, Del. Ash is working in cold conditions with snow still visible on the ground. (U.S. Air Force photo/Greg L. Davis)
A hand tool used to remove dirt from pipes sits idle near the section of pipe scraped clean by Senior Airman Caleb Ash, 436th Civil Engineer Squadron, on a water line repair project on March 21, 2014, at Dover Air Force Base, Del. The water line has been dug-up with a small excavator, but final cleaning of the pipe must be done by hand before a section can be removed. (U.S. Air Force photo/Greg L. Davis)
A Bobcat 331E mini-excavator digs up part of a water line near the approach end of runway 32 during a public works project undertaken by the 436th Civil Engineer Squadron, 'Dirt Boys', on March 21, 2014, at Dover Air Force Base, Del. Pockets of snow can be seen in the field during this cold-weather dig. (U.S. Air Force photo/Greg L. Davis)
Airman 1st Class Matthew Bizzarro, 436th Civil Engineer Squadron, 'Dirt Boys', carries two cans of diesel fuel through a field with ribbons of snow on the ground on March 21, 2014, at Dover Air Force Base, Del. The fuel is needed to replenish a mini-excavator being used to dig-up a water line. (U.S. Air Force photo/Greg L. Davis)