Airman 1st Class Christopher Keller, 11th Civil Engineer electrical systems apprentice, left, trims tree tops down below power lines with a hydraulic saw, as A1C Igbaji Odey, 11 CES electrical systems apprentice, tosses tree branches into a pile below for collection on West Perimeter Road April 29. The 11 CES deployed Airmen and civilian personnel to various areas around Joint Base Andrews to clean up downed trees and reenergize power lines left by recent tornado winds that briefly touched down here April 27. (Photo by Bobby Jones)