USS Atakapa (ATF-149)
USS ''Atakapa'' (ATF-149) was an of fleet ocean tug. It was named after the Atakapa Native American tribe that once inhabited territory which is now southwestern Louisiana and southeastern Texas. Construction history The fleet ocean tug (ATF-149) was laid down on 17 February 1944 at Charleston, South Carolina, by the Charleston Shipbuilding & Drydock Company; launched on 11 July 1944; sponsored by Mrs. B.H. Wiggs; and commissioned at the Charleston Navy Yard on 8 December 1944. Operational history World War II service After shakedown in the Norfolk, Virginia area, ''Atakapa'' undertook her first assignment, a tow from the East Coast to California, departing Philadelphia on 22 January 1945 and reaching San Francisco on 8 March. From that day through 27 April, she engaged in routine towing operations along the West Coast. The ship sailed for Hawaii on the 27th and, upon her arrival at Pearl Harbor on 10 May, resumed her towing operations. This duty was interrupted by a long tow ...
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3-inch/50-caliber Gun
The 3"/50 caliber gun (spoken "three-inch fifty-caliber") in United States naval gun terminology indicates the gun fired a projectile in diameter, and the barrel was 50 calibers long (barrel length is 3 in × 50 = ). Different guns (identified by Mark numbers) of this caliber were used by the U.S. Navy and U.S. Coast Guard from 1890 through to 1994 on a variety of combatant and transport ship classes. The gun is still in use with the Spanish Navy on ''Serviola''-class patrol boats. Early low-angle guns The US Navy's first 3"/50 caliber gun (Mark 2) was an early model with a projectile velocity of per second. Low-angle (single-purpose/non-anti-aircraft) mountings for this gun had a range of 7000 yards at the maximum elevation of 15 degrees. The gun entered service around 1900 with the s, and was also fitted to s. By World War II these guns were found only on a few Coast Guard cutters and Defensively Equipped Merchant Ships. Low-angle 3"/50 caliber guns (Marks 3, 5, 6 ...
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