Editing Scapa Flow (section)

===German battleships===

The three sister battleships of the {{sclass|König|battleship|4}}: {{SMS|König}}, {{SMS|Kronprinz|1914|6}} and {{SMS|Markgraf}} formed the main component of the 3rd Battleship Squadron which took part in fierce fighting at the [[Battle of Jutland]] far off the coast of Jutland, Denmark (31 May to 1 June 1916) and their upturned hulls are around 25&nbsp;m deep. Never raised, they have been salvaged incrementally: armour plate blasted away and non-ferrous metals removed. Some of this material may have been obtained for specialized uses because it was not subject to the radiation put into the atmosphere by [[nuclear weapon]]s, which were exploded in the open air from 1945 to 1963.  Thus it was not made more radioactive by [[nuclear fallout]].<ref>[https://www.straightdope.com/21344067/is-steel-from-scuttled-german-warships-valuable-because-it-isn-t-contaminated-with-radioactivity Is steel from scuttled German warships valuable because it isn’t contaminated with radioactivity?]</ref> They also form highly rated dive sites chiefly due to their depth.{{citation needed|date=September 2017}}