| WWII subs | LA Times Daily | 17 Oct 2025 | 
          
            | Submarines | The Telegraph Quick | 10 Oct 2025 | 
          
            | Enemy vessels in W.W. II | New York Times | 02 Jul 2025 | 
          
            | WWII fleet | LA Times Daily | 28 Jun 2025 | 
          
            | North Atlantic threats in WWII |  |  | 
          
            | University clubs keeping old vessels (1-5) |  |  | 
          
            | German submarines of World War 2 |  |  | 
          
            | German subs | Thomas Joseph | 12 Mar 2025 | 
          
            | Former German vessels (1-5) |  |  | 
          
            | Say you boast about submarines (1-5) |  |  | 
          
            | Underwater craft about to move south | The Sun Two Speed | 23 Jan 2025 | 
          
            | WW2 submarines | The Sun Two Speed | 23 Jan 2025 | 
          
            | German subs | The Telegraph Quick | 18 Jan 2025 | 
          
            | W.W. II naval menaces | New York Times | 23 Dec 2024 | 
          
            | Vessels, tubs damaged outside Officer's Academy (1-5) |  |  | 
          
            | Faces the bowlers, holding out after you caught subs (1-5) |  |  | 
          
            | Vessels just about wrecked at Spithead |  |  | 
          
            | German WWII submarines (1-5) |  |  | 
          
            | German subs (1-5) | The Guardian Quick | 18 Aug 2024 | 
          
            | About turn vessels from the fatherland (1-5) |  |  | 
          
            | Yet these craft are not shaped like this letter (1-5) |  |  | 
          
            | German Second World War submarines (1-5) |  |  | 
          
            | German subs (1-5) | The Guardian Quick | 11 Jun 2024 | 
          
            | Abs out to destroy German subs (1-5) |  |  | 
          
            | Subs turning to a sub |  |  | 
          
            | Below-the-surface ocean predators (1-5) |  |  | 
          
            | German World War II submarines (1-5) |  |  | 
          
            | WW2 German submarines (1-5) |  |  | 
          
            | Abs out to sink German subs (1-5) |  |  | 
          
            | German war-time submarines (1-5) |  |  | 
          
            | WWII water vessels | Family Time | 04 Feb 2024 | 
          
            | Houseboats without a hose can become submarines (1-5) |  |  | 
          
            | Worried about small vessels |  |  | 
          
            | WWI and II danger, in the main (1-5) |  |  | 
          
            | Nautically named warehouse carts | Newsday | 08 Apr 2023 | 
          
            | German subs | Thomas Joseph | 09 Feb 2023 | 
          
            | Old German subs | Universal | 28 Dec 2022 | 
          
            | Oscar cuts tubas for broadcast -- they'll be hidden under the surface | The Telegraph Cryptic | 23 Dec 2022 | 
          
            | WWII subs | The Washington Post | 11 Apr 2022 | 
          
            | WWII subs | LA Times Daily | 11 Apr 2022 | 
          
            | Snake discovered in Utah on top of sump by those formerly in the sink business? | Irish Times Crosaire | 05 Mar 2022 | 
          
            | Some subs | New York Times | 28 Jan 2022 | 
          
            | Depth charge targets | Wall Street Journal | 06 Jan 2022 | 
          
            | Vessels hunted by K-ships | New York Times | 02 Jan 2022 | 
          
            | Wolf pack members | Wall Street Journal | 09 Dec 2021 | 
          
            | German submarines of WW11 | Irish Times Simplex | 04 Dec 2021 | 
          
            | University School after characters in 33 down - in the sink business, they rarely put their heads above water | Irish Times Crosaire | 11 Sep 2021 | 
          
            | German subs | Premier Sunday | 11 Jul 2021 | 
          
            | Underwater craft about to move south | The Sun Two Speed | 08 Apr 2021 | 
          
            | WW2 submarines | The Sun Two Speed | 08 Apr 2021 | 
          
            | German divers in American landing craft? | The Telegraph Cryptic | 01 Jan 2021 | 
          
            | Submersible ships of WW2 | Irish Times Simplex | 20 Nov 2020 | 
          
            | Snake taken initially on board American vessels | The Telegraph Cryptic | 26 Aug 2020 | 
          
            | WWII subs | Eugene Sheffer | 04 Jul 2020 | 
          
            | WWII threats | The Washington Post | 01 Mar 2020 | 
          
            | WWII threats | LA Times Daily | 01 Mar 2020 | 
          
            | German subs | The Telegraph Quick | 25 Dec 2019 | 
          
            | WWII subs | Newsday | 04 Sep 2019 | 
          
            | WWII subs | LA Times Daily | 07 Aug 2019 | 
          
            | WWII subs | The Washington Post | 07 Aug 2019 | 
          
            | WWII wolfpack members | USA Today | 23 Jul 2019 | 
          
            | Old war subs | Family Time | 21 Jan 2019 | 
          
            | WWII craft | Newsday | 11 Jan 2019 | 
          
            | They scared Churchill, by his own admission | Newsday | 05 Jan 2019 | 
          
            | WWII subs |  |  | 
          
            | WWII wolfpack members |  |  | 
          
            | They hid beneath the surface | New York Times | 29 Aug 2018 | 
          
            | World War menaces | Universal | 17 Jul 2018 | 
          
            | German subs | Premier Sunday | 10 Jun 2018 | 
          
            | World War menaces |  |  | 
          
            | They hid beneath the surface |  |  | 
          
            | 1940s blockade enforcers | The Chronicle of Higher Education | 10 Nov 2017 | 
          
            | Battle of the Atlantic craft | New York Times | 22 Oct 2017 | 
          
            | W.W. II shipping worries | New York Times | 01 Oct 2017 | 
          
            | German submarines of WW2 | Irish Times Simplex | 26 Aug 2017 | 
          
            | Battle of the Atlantic craft |  |  | 
          
            | 1940s blockade enforcers |  |  | 
          
            | W.W. II shipping worries |  |  | 
          
            | Those who rarely put their head above water were part of major conflict in the sink business | Irish Times Crosaire | 27 Apr 2016 | 
          
            | Wolfpack vessels | USA Today | 27 Apr 2016 | 
          
            | German destroyers of US ships | The Washington Post | 09 Apr 2016 | 
          
            | German subs | The Washington Post | 22 Feb 2016 | 
          
            | Depth charge targets | Wall Street Journal | 06 Feb 2016 | 
          
            | Wolf pack members | Wall Street Journal | 22 Oct 2015 | 
          
            | German subs | Thomas Joseph | 30 Jun 2015 | 
          
            | Depth charge targets | Universal | 11 Apr 2015 | 
          
            | Depth-charge targets | USA Today | 14 Jan 2015 | 
          
            | Depth-charge targets |  |  | 
          
            | Depth charge targets |  |  | 
          
            | Wolf pack members |  |  | 
          
            | The only things that "really frightened" Churchill during WWII |  |  | 
          
            | WWII fleet |  |  | 
          
            | Some subs |  |  | 
          
            | WWII ship sinkers |  |  | 
          
            | W.W. II threats |  |  | 
          
            | Submerged threats of WWII |  |  | 
          
            | World War II vessels |  |  | 
          
            | Commerce-raiding fleet |  |  | 
          
            | WWII wolf pack vessels |  |  | 
          
            | Old minelayers |  |  | 
          
            | Ashcan targets |  |  | 
          
            | German subs |  |  | 
          
            | German subs |  |  | 
          
            | Submerged threats of WWII |  |  | 
          
            | WWII fleet |  |  | 
          
            | WWII depth charge targets |  |  | 
          
            | German military subs |  |  | 
          
            | Maritime hazards in WWII |  |  | 
          
            | WWII depth charge targets |  |  | 
          
            | Destroyer destroyers |  |  | 
          
            | Wolf pack makeup |  |  | 
          
            | WWII subs |  |  | 
          
            | WWII "wolf pack" |  |  | 
          
            | WWII subs |  |  | 
          
            | German subs |  |  | 
          
            | WWII subs |  |  | 
          
            | Threats to World War shipping |  |  | 
          
            | Battle of the Atlantic attackers |  |  | 
          
            | Battle of the Atlantic attackers |  |  | 
          
            | WWII maritime hazard |  |  | 
          
            | Maritime hazard in WWII |  |  | 
          
            | Some WWII crafts |  |  | 
          
            | W.W. II wolf pack |  |  | 
          
            | Submerged threats of WW2 |  |  | 
          
            | World War marine menaces |  |  | 
          
            | WWII subs |  |  | 
          
            | Enemy submarines, once |  |  | 
          
            | WWII vessels |  |  | 
          
            | Wolf pack members |  |  | 
          
            | WW II fleet |  |  | 
          
            | Some subs |  |  | 
          
            | WWI menaces |  |  | 
          
            | German subs |  |  | 
          
            | WWII subs |  |  | 
          
            | Depth charge targets |  |  | 
          
            | Wolf pack units |  |  | 
          
            | German submarines |  |  | 
          
            | WWII threats |  |  | 
          
            | Depth charge targets |  |  | 
          
            | German subs |  |  | 
          
            | Submerged threats of WWII |  |  | 
          
            | Depth charge targets |  |  | 
          
            | German subs |  |  | 
          
            | Maritime hazard in W. W. II |  |  | 
          
            | World War II vessels |  |  | 
          
            | W.W. II craft |  |  | 
          
            | Corvettes' targets |  |  | 
          
            | Underwater "wolf pack" |  |  | 
          
            | Sea raiders |  |  | 
          
            | Prowlers of W.W. II |  |  | 
          
            | Vessels that drop mines |  |  | 
          
            | Germany's challenge in World War I. |  |  | 
          
            | Commanded by Tirpitz in 1915. |  |  | 
          
            | Undersea craft. |  |  | 
          
            | Certain craft. |  |  | 
          
            | Menace of 1917. |  |  | 
          
            | German pig boats. |  |  | 
          
            | German craft |  |  | 
          
            | Wartime menaces |  |  |