Otus (AS-20): Photographs

These photographs were selected to show the original configuration of this class and major subsequent modifications. For most classes many other photographs exist.
For more complete online collections of U. S. Navy ship photographs see in particular the NHHC Online Library of Selected Images and the NavSource Photo Archive.

Click on the small photograph to prompt a larger view of the same image.

USS Otus (AS-20)

Near the Cavite Navy Yard in the Philippines on 10 September 1941 after her so-called "preliminary" conversion there.
Note the row of portholes running the length of the ship on the level below the main deck, where accommodations and repair facilities were installed.

Photo No. 41414
Source: U.S. National Archives, RG-19-LCM

 
USS Otus (AS-20)

Arriving at the Mare Island Navy Yard on 24 August 1942 to undergo a full conversion.
After her "preliminary" conversion at Cavite the ship received additional minor alterations during her service in Australian waters from December 1941 to July 1942.

Photo No. Unknown
Source: U.S. National Archives, RG-19-LCM

 
USS Otus (AS-20)

Arriving at the Mare Island Navy Yard on 24 August 1942 to undergo a full conversion.

Photo No. Unknown
Source: U.S. National Archives, RG-19-LCM

 
USS Otus (AS-20)

Arriving at the Mare Island Navy Yard on 24 August 1942 to undergo a full conversion.

Photo No. Unknown
Source: U.S. National Archives, RG-19-LCM

 
USS Otus (AS-20)

Near the Mare Island Navy Yard on 15 January 1943 after completing a full conversion there.
The numerous enhancements included extension of the superstructure forward, the addition of two 3-inch guns on the bow, and the plating over of the portholes in the hull.

Photo No. 19-N-40070
Source: U.S. Naval History and Heritage Command

 
USS Otus (AS-20)

Near the Mare Island Navy Yard on 15 January 1943 after completing a full conversion there.
The gun positions fitted aft at Cavite were retained but the old 5"/51 gun was replaced by a modern 5"/38. Note also the new radar mast and numerous other upgrades.

Photo No. 19-N-40069
Source: U.S. National Archives, RG-19-LCM