The Type XVII U-boats were small coastal submarines which used Hellmuth Walter's high test peroxide propulsion system, which offered a combination of air-independent propulsion and high submerged speeds.
| Graph IRI | Count |
|---|---|
| http://dbkwik.webdatacommons.org | 28 |
![[RDF Data]](/fct/images/sw-rdf-blue.png)
