SD Tempest
SD "Tempest" is an ART 8032 class tug operated by Serco Marine Services in support of the United Kingdom's Naval Service. "Tempest" was ordered specifically to handle the Queen Elizabeth Class aircraft carriers however she performs general harbour towage when not required in her primary role. Normally based in Portsmouth, "Tempest" was temporarily transferred to Rosyth in June 2017 to assist with HMS "Queen Elizabeth's" departure on sea trials.