A UK F-35B Lightning II taxis aboard Marine Corps Air Station Beaufort June 6. - A UK F-35B Lightning II taxis aboard Marine Corps Air Station Beaufort June 6. Multiple F-35Bs with the Royal Air Force’s 617 Squadron “Dambusters” departed MCAS Beaufort headed for their new home at Royal Air Force Base Marham, England. The aircraft returning to the UK represents the transition from current to next generation air combat power for 617 Squadron. “617 Squadron has worked tirelessly for the past few weeks and months to prepare the aircraft to bring them to their final home of RAF Marham,” said Ground Capt. Cab Townsend, RAF Marham Station Commander.