
The Navy retained the original name of this ship after her acquisition.
II
(Tug: displacement 420; length 170'; beam 29'; draft 16'; speed 13 knots; complement 38; armament 2 3-inch, 2 machine guns; class Conestoga)
The second Conestoga--built in 1904 by the Maryland Steel Co., Sparrows Point, Md. -- was acquired by the Navy on 14 September 1917 from her owners, the Philadelphia and Reading Transportation Line, for use as a fleet tender and mine sweeper and assigned the identification number SP-1128; and commissioned on 10 November 1917, Lt. (j.g.) Carl Olsen, USNRF, in command.
Assigned to the Submarine Force and fitted out for distant service at

Conestoga (AT-54) at San Diego, circa January 1921. Note name at bow, windscoops in the ports below the level of the main deck, and unusual clustered arrangement of her battery, forward of the foremast. (Naval Historical Center Photograph NH 71299, original courtesy of W. P. Burbage, 1970)
Ordered to duty as station ship at

Lt. Ernest Larkin Jones, 41, Conestoga's last commanding officer, in a taken circa January 1921, perhaps just after her voyage from the eastern seaboard, with sailors of his crew looking on at upper right. Note boat at upper left, with identifying "C" on her bows, and worn condition of the strake along the hull. (Naval Historical Center Photograph NH 71504, original courtesy of W. P. Burbage, 1970)
On 30 June 1921, the Navy declared Conestoga lost with all 53 souls.
Rewritten, Robert J. Cressman, February 2008