http://alugy.com/europe/a-croatian-fisherman-caught-a-misterious-nasas-device-while-fishing/
https://en.wikipedia.org/wiki/USNS_Bruce_C._Heezen_(T-AGS-64) https://en.wikipedia.org/wiki/Pathfinder-class_survey_ship https://www.marinetraffic.com/en/ais/home/centerx:17.7/centery:42.6/zoom:10 https://www.kongsberg.com/globalassets/maritime/km-products/product-documents/hipap_family_brochure_v3_lowres.pdf https://www.youtube.com/watch?v=MvxeWCoAZPw https://www.nationalgeographic.com/animals/2020/01/chinese-paddlefish-one-of-largest-fish-extinct/