Pilots on the flight deck of a C-5M Super Galaxy from Dover Air Force Base, Del. conduct pre-flight checks before taking off from Dobbins Air Reserve Base, Ga. Oct. 2, 2017. The plane took vital communication equipment as well as AT&T Network Disaster Recovery Team members to provide communication support to Puerto Rico in the wake of Hurricane Maria’s destruction. (U.S. Air Force photo/Staff Sgt. Andrew Park)