1) Dutch surname
Found on
https://www.crosswordclues.com/clue/koster
The Koster is a Swedish Landsort Class mine hunter, made of Glassfibre Reinforced Plastic (GRP). The ship's complement is 39, with a commanding officer, 12 officers and 26 ratings. The ship is armed with a 40 mm Bofors main gun installed on the upper deck; two 7.62 mm machine-guns and four Saab anti-submarine mortar launchers developed each with ni...
Found on
http://www.probertencyclopaedia.com/browse/RK.HTM
No exact match found.
