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INDIVIDUAL SHIP

USS L-3

USS L-3 was a member of the L-1 class.

USS L-3 (Submarine # 42) running trials off Provincetown, Massachusetts, in September 1915.
USS L-3 (Submarine # 42) running trials off Provincetown, Massachusetts, in September 1915. Original caption : " Photo # NH 51126 USS L-3 running trials off Provincetown, Massachusetts " — removed caption lang Photo # NH 51126 USS L-3 running trials off Provincetown, MassachusettsTransferred from en.wikipedia to Commons. http://www.history.navy.mil/photos/images/h51000/h51126c.htm http://www.history.navy.mil/photos/images/h51000/h51126.jpg · Public domainImage source
Hull / pennantSS-42, Submarine No. 42
ClassL-1 class
NavyUnited States Navy
CountryUnited States
Builder / shipyardFore River Shipbuilding, Quincy
Laid down1914-04-18
Launched1915-03-15
Completed1916-04-22
Recorded statusDecommissioned

Overview

USS L-3 was a member of the L-1 class.

USS L-3 is associated with United States and United States Navy. It belonged to L-1 class, so the class page provides the shared design history while this page concentrates on the individual ship.

Construction and identity

The available construction record identifies USS L-3 as built by Fore River Shipbuilding, Quincy, laid down on 1914-04-18, launched on 1915-03-15, and completed on 1916-04-22.

The ship's documented identity includes hull or pennant identifiers SS-42 and Submarine No. 42 and service with United States Navy.

Service history

Commissioned into U.S. submarine service during World War I; members of the class supported Atlantic and European operations as well as training and experimental work.

The ship's configuration should be interpreted through the documented class and the dates attached to this individual vessel; equipment should not be assumed to have remained unchanged throughout service.

Class context: L-1 class

L-1 class was a wartime naval design associated with the 1914–1918 expansion of fleet capabilities.

As a member of L-1 class, USS L-3 shared the class's documented design framework and intended roles of Coastal patrol and Anti submarine warfare. Individual refits, transfers, and wartime changes belong to this ship only when separately documented.

Later service and disposition

later disposed by the U.S. Navy.

USS L-3 matters as an individual career within L-1 class, allowing class-wide design history to be separated from this ship's own construction, identities, service, and fate.

This ship is recorded as a member of L-1 class. Shared design history belongs on the class page; this page concentrates on the individual hull where evidence is available.

Sources and further reading

  1. Conway's All the World's Fighting Ships, 1906–1921Conway Maritime Press
  2. United States L-class submarine ↗Wikipedia · accessed 2026-09-18
  3. L-1 (Submarine No. 40) ↗Naval History and Heritage Command · accessed 2026-09-18
  4. World War I Organizational Chart, October 1918 ↗Naval History and Heritage Command · accessed 2026-09-18
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