Complex sentence: On 25 October 2005 an F-16 of the unit was attempting to take fuel from a KC-10 Extender, when the boom operator's accidental oscillation caused damages to both aircraft, which were able to land safely.
Split into simpler sentences: On 25 October 2005 an F-16 of the unit was attempting to take fuel from a KC-10 Extender. The boom operator's accidental oscillation caused damages to both aircraft which were able to land safely.