Historical clue formulations

• Shell in the water — 2026-09-10
• Ship's body — 2024-09-29
• Main body of a ship — 2020-07-13
• Prow's place — 2019-11-07
• Main part of a ship — 2017-12-12
• Bottom of the sea? — 2017-04-28
• Oceanic body — 2015-01-18
• Part of a 23-Across — 2014-12-10
• Ship's framework — 2012-05-08
• Bottom of the ocean? — 2011-08-27
• Keel's place — 2010-11-14
• Bottom of the sea? — 2009-06-27
• E-F-G-H-E — 2009-04-22
• Naval base? — 2006-03-26
• Naval base? — 2004-10-24
• Hockey great Bobby — 2004-04-05
• Load line locale — 2000-08-27
• Bottom of a boat — 2000-05-15