In a video of the protest, Airman First Class Williams is seen wearing an M50 Joint Service General Protective Mask.
An "elephant walk" refers to the close formation of military aircraft before takeoff.
The airport expects the jets to remain in Burlington for a day. They will not be available for public viewing.
Hill AFB officials said the squadron will participate in exercises and conduct training with other Europe-based aircraft.
The relocation will better align manpower with workload, decrease temporary duty costs and increase combat readiness.
The Pentagon evaluated 79 bases for potential negative impacts from climate change.
Hill Air Force Base pilots have to fly over residents who don't normally hear the jets, due to ongoing runway construction....
Last month, a metallic 3D-printed bracket was installed for the first time on an operational F-22 at Hill AFB in Utah.
The Air Force has selected Edwards Air Force Base and Tinker Air Force Base for the B-21 Long Range Strike Bomber program.
SecDef Jim Mattis said the audit identified "multiple material weaknesses" but few savings opportunities.
Seven new recruits will head to basic military training at Lackland Air Force Base, Texas.
It has been 15 years to the day since Cashe hauled his teammates out of the Bradley hit an IED near Daliaya, Iraq.
Hunter is scheduled to report to Federal Correctional Institute La Tuna in January.
It should be noted that Halvorsen did not have clearance to do Operation Little Vittles.
The long-delayed project will tell the story of the American soldier through treasured artifacts.