Staff Sgt. Anthony Landin, 92nd Maintenance Squadron hydraulics system craftsman, and Airman 1st Class Tage Sickler 92nd MXS hydraulics systems apprentice, install a ruddervator Dec. 16, 2016, at Fairchild Air Force Base, Wash. If any of the parts located in the ruddervator control system are installed improperly, there is the possibility of damaging the entire boom. (U.S. Air Force photo/ Airman 1st Class Sean Campbell)