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US Navy collier USS Jupiter at Mare Island, California, United States, 16 Oct 1913. In 1922 Jupiter was modified to become the United States’ first aircraft carrier and was renamed USS Langley

Caption     US Navy collier USS Jupiter at Mare Island, California, United States, 16 Oct 1913. In 1922 Jupiter was modified to become the United States’ first aircraft carrier and was renamed USS Langley ww2dbase
Photographer    Unknown
Source    ww2dbaseUnited States Navy
Identification Code   19-N-13031
More on...   
Mare Island Navy Yard   Main article  Photos  Maps  
Langley (Langley-class)   Main article  Photos  
Photos at Same Place Vallejo, California, United States
Added By David Stubblebine

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Licensing  Public Domain. According to the United States copyright law (United States Code, Title 17, Chapter 1, Section 105), in part, "[c]opyright protection under this title is not available for any work of the United States Government".

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Visitor Submitted Comments

1. Commenter identity confirmed David Stubblebine says:
31 Aug 2015 08:22:48 PM

Before becoming the US Navy’s first aircraft carrier, Jupiter experienced a few firsts of her own: Jupiter was the Navy’s first surface ship to be powered strictly by electric motors and she was the first vessel to transit the Panama Canal from west to east (12 Oct 1914).
2. Steve Voorhees says:
17 Oct 2015 03:54:19 AM

Smoke stacks appear to arranged side by side in this photo, unusual as most ships used a single stack or multiple stacks arranged fore and aft.
3. Commenter identity confirmed David Stubblebine says:
17 Oct 2015 03:22:27 PM

Steve Voorhees:
Interesting observation about the side by side stacks. I wonder if this is related to Jupiter’s electrically powered screws, maximizing hold space for more coal, a combinations of these, or something else altogether. Interesting. And as you say, odd. Upon conversion to an aircraft carrier, both stacks were vented off to the port side, which was also odd for carriers as all other US carriers had their stacks on the starboard side (except Ranger that had stacks on both sides).
4. Steve Voorhees says:
22 Nov 2015 04:52:21 PM

David Stubblebine:
I think most bulk cargo freighters had one large stack in the aft part of the ship. The use of 2 stacks side by side could have simply been the designers choice. Machinery arrangement may have played a part too as you say.
5. Steve Voorhees says:
24 Apr 2016 05:25:38 PM

Jupiter was one of 4 Proteus class colliers built. The others being Proteus, Cyclops, and Nereus. Cyclops was lost in the Bermuda triangle region in World War I, Proteus and Nereus lost in the same region in WW II. There was no record of lost by U boats for the 2 lost in WW II. All three were lost in commercial service.

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WW2-Era Place Name Vallejo, California, United States
Lat/Long 38.0917, -122.2575
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