SMS Markgraf 是德国帝国海军在第一次世界大战期间服役的 König 级战列舰，这艘 175 米长的沉船通常被认为是 Scapa Flow 王冠上的宝石。她于1919年被击沉。
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Do you want to explore iconic towering shipwrecks and dive World War airplanes covered in vibrant marine life? Discover the world of wreck diving and get started today with this SSI wreck diving course. You will learn all you need to dive above and around wrecks and artificial reefs, plus earn your SSI Wreck Diving specialty certification.
Diver stress is a major cause of diving accidents, but it can easily be prevented and resolved. Join the SSI Diver Stress and Rescue Specialty program and learn how to help yourself and other divers stay safe. Earn this essential specialty certification today!
Discover pristine dive sites that cannot be reached from shore and experience the excitement of liveaboard diving. Become an SSI boat diver. You will learn all the skills and techniques you need to dive safely and comfortably from a variety of boats, including small personal craft and liveaboards. Upon completion, you will earn your SSI Boat Diving Specialty certification.