English 25th U-boat Flotilla Cited by user SVcode on 19 May 2022 25th U-boat Flotilla (25. Unterseebootsflottille) was formed in Danzig in April 1940 as a training flotilla responsible for Firing Training.
English Syllidae Cited by user Cwmhiraeth on 28 Sep 2017 Syllidae is a family of small to medium-sized polychaete worms. Syllids are distinguished from other polychaetes by the presence of a muscular region of the anterior…