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USS Portunus

1944 LSM-1-class landing ship medium
Vehicle landing_ship_medium Q7873044
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Summary

USS Portunus is a landing ship medium[1].

Key Facts

  • Instance of: auxiliary vessel[2]
  • Operator: United States Navy[3], Portuguese Navy[4]
  • Named after: São Rafael[5], Medusa[6]
  • Manufacturer: Federal Shipbuilding and Drydock Company[7]
  • Vessel class: LSM-1-class landing ship medium[8]
  • Country of origin: United States[9]
  • Armament: cannon[10]
  • Participated in conflict: World War II[11]
  • Service entry: November 18, 1959[12]
  • Service retirement: 1974[13]
  • Significant event: name change[14], ship launching[15], keel laying[16], ship commissioning[17], transfer[18], ship reclassification[19]
  • Pennant number: LSM-275[20], ARC-1[21], A 5214[22]
  • Maximum capacity: {'amount': '+56'}[23]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [20] ↑ . wikidata.org.
  20. [21] ↑ . wikidata.org.
  21. [22] ↑ . wikidata.org.
  22. [23] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). USS Portunus. Retrieved October 29, 2026, from https://4ort.xyz/entity/uss-portunus-q7873044
MLA “USS Portunus.” 4ort.xyz Knowledge Graph, 4ort.xyz, 29 Oct. 2026, https://4ort.xyz/entity/uss-portunus-q7873044.
BibTeX @misc{4ortxyz_uss-portunus-q7873044_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{USS Portunus}}, year = {2026}, url = {https://4ort.xyz/entity/uss-portunus-q7873044}, note = {Accessed: 2026-10-29}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): USS Portunus — https://4ort.xyz/entity/uss-portunus-q7873044 (retrieved 2026-10-29)

Canonical URL: https://4ort.xyz/entity/uss-portunus-q7873044 · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 6w ago · Vicarage · 2026-09-18 view diff on Wikidata ↗
    Manufacturer → Federal Shipbuilding and Drydock Company
    Described at url → https://arquivohistorico.marinha.pt/details?id=593
    Beam → {'amount': '+9.50'}
    Service retirement → +1974-00-00T00:00:00Z
    + 24 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ Country of origin: United States, [[:toollabs:quickstatements/#/batch/274403|batch #274403]]"
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