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Benham-class destroyer

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USS Ellet in February 1939
Class overview
NameBenham class
Builders
Operators United States Navy
Preceded bySomers class
Succeeded bySims class
Built1936–1939
In commission1939–1946
Completed10
Lost2
Retired8
General characteristics
TypeDestroyer
Displacement
  • 1,656 tons (standard)
  • 1,888 tons (normal)
  • 2,250 tons (full load)
Length340 ft 9 in (103.86 m)
Beam35 ft 6 in (10.82 m)
Draught13 ft 3 in (4.04 m)
Installed power
Propulsion2 shafts
Speed37.9 knots (70.2 km/h; 43.6 mph) on trials
Range5,390 nmi (9,980 km; 6,200 mi) at 12 knots (22 km/h; 14 mph)
Complement
  • 9 officers, 175 enlisted (peacetime)
  • 16 officers, 235 enlisted (wartime)
Sensors and
processing systems
Armament

The Benham class of ten destroyers was built for the United States Navy (USN). They were part of a series of USN destroyers limited to 1,500 tons standard displacement by the London Naval Treaty and built in the 1930s.[2] The class was laid down in 1936-1937 and all were commissioned in 1939. Much of their design was based on the immediately preceding Gridley and Bagley-class destroyers. Like these classes, the Benhams were notable for including sixteen 21-inch (533 mm) torpedo tubes, the heaviest torpedo armament ever on US destroyers. They introduced a new high-pressure boiler that saved space and weight, as only three of the new boilers were required compared to four of the older designs.[3] The class served extensively in World War II in the Atlantic, Mediterranean, and Pacific theaters, including Neutrality Patrols in the Atlantic 1940-1941. Sterett received the United States Presidential Unit Citation for the Battle of Guadalcanal and the Battle of Vella Gulf,[4] and the Philippine Republic Presidential Unit Citation for her World War II service. Two of the class were lost during World War II, three were scrapped in 1947, while the remaining five ships were scuttled after being contaminated from the Operation Crossroads atomic bomb tests at Bikini Atoll in the Pacific.[5]

Design

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The ten Benhams were part of a series of three classes with similar characteristics laid down 1935-1937. The other two were the Gridley class (4 ships) and the Bagley class (8 ships). All three featured four 5-inch (127 mm) dual purpose guns (anti-surface and anti-aircraft) and sixteen 21-inch (533 mm) torpedo tubes in four quadruple mounts as built, the largest number of torpedo tubes on any US destroyers.[3] Although all had only one stack, they differed primarily in their machinery. The Benhams were a Gibbs & Cox design with a new high-pressure boiler design that allowed a reduction from four boilers to three, with an efficient turbine arrangement resembling the Mahans'. The Bagleys were a Navy design that duplicated the machinery of the preceding long-range Mahan class; this led to their prominent boiler uptakes around the single stack that were their main recognition feature. The Gridleys were designed by Bethlehem Shipbuilding Company with advanced high-pressure boilers (also built by Bethlehem) but turbines generally similar to the earlier Farragut class, which limited their range.[2][3][6]

Engineering

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Except for the 1850-ton Somers class, the Benhams' propulsion plant was the most advanced yet installed in US destroyers. A new Babcock & Wilcox boiler design was used that allowed a reduction from four boilers to three, saving considerable space and weight. Steam pressure was increased from 400 psi (2,800 kPa) to 600 psi (4,100 kPa) (one reference says 565 psi), superheated to 700 °F (371 °C) as in the Gridleys.[2][7][8] Features that improved fuel economy included boiler economizers, double reduction gearing, and cruising turbines. Range was somewhat less than in the Bagleys at 5,390 nmi (9,980 km; 6,200 mi) versus 6,940 nmi (12,850 km; 7,990 mi), possibly due to a smaller fuel capacity of 484 tons versus 504 tons. The main turbines developed 49,250 shp (36,730 kW) on Benham's trials and were manufactured by Westinghouse.[9]

Armament

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The Benhams had the same armament as the Gridleys and Bagleys: four 5-inch/38 caliber dual purpose guns (anti-surface and anti-aircraft (AA)) in single mounts and sixteen 21-inch (533 mm) torpedo tubes in quadruple mounts.[3] The Mark 15 torpedo was equipped.[10] This was the heaviest armament in torpedoes ever on US destroyers. Compared with the Mahans, they sacrificed one gun for four additional torpedo tubes. It was suggested that these ships could use "curved ahead fire", using the adjustable post-launch gyro angle of their torpedoes to launch a sixteen-torpedo spread ahead of the ship.[3] One reason for the heavy destroyer torpedo armament was that, alone among the major navies, the last nine of the seventeen US Treaty cruisers built in the 1920s and 1930s lacked torpedoes; eventually all of the US Treaty cruisers' torpedoes were removed in 1941 in favor of additional heavy AA guns.[11]

As with most other US destroyers of this period, the 5-inch guns featured all-angle power loading and were director controlled, making them as effective as the technology allowed against aircraft. By late 1942, radio proximity fuses (VT fuses) made them much more effective. As in the last two Maurys, the two forward 5-inch guns were in enclosed mounts, while the after guns were open. However, in the Benhams, the after two mounts were a Mark 30 Mod 1 base-ring type with an integral ammunition hoist fed from a handling room below each gun, as in an enclosed mount.[3][6][12] This allowed some of the class to be fitted with an enclosure for No. 4 gun and an open-top shield for No. 3 gun while on Neutrality Patrol in the Atlantic in 1941; but the shields were removed later to save weight for light anti-aircraft armament.[5][13] In common with all US surface combatants in the 1930s, the as-built light AA armament was weak; only four .50 caliber machine guns (12.7 mm) were equipped. It was apparently felt that the heavy AA armament would shoot down most incoming aircraft in all situations, but the attack on Pearl Harbor showed that this was not true.[14]

While on Neutrality Patrol, some of the class landed their after torpedo tube mounts and .50-caliber machine guns so that their Depth charge and light AA batteries could be increased; photographs show six Oerlikon 20 mm cannon were added along with four K-gun depth charge throwers and, reportedly, a Y-gun on some ships.[15][16] These ships later received two twin 40 mm Bofors mounts on their after deckhouses before being transferred to the Pacific. In 1945, Lang, Sterett, and Wilson also landed their remaining torpedo tubes and after 5-inch gun shields in favor of a total of four 40 mm twin mounts and four 20 mm twin mounts.[5][17]

Service

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This class, except Benham and Ellet, served on Neutrality Patrols in the Atlantic and escort duty in the Atlantic and Mediterranean as Destroyer Squadron 8 (with Wainwright as flagship) from April 1940 to December 1941. Benham and Ellet were at sea in the Pacific on 7 December 1941 with Dunlap and Fanning of the Mahan class as Destroyer Division (DesDiv) 12 (part of Destroyer Squadron (DesRon) 6, with Balch as flagship). Later, this four-ship division escorted the aircraft carrier Enterprise during the Doolittle Raid on Japan.[5]

In June 1942, while DesDiv 15 (Lang, Stack, Sterett and Wilson) escorted the aircraft carrier Wasp to the Pacific, DesDiv 16 (Mayrant, Trippe, Rhind, and Rowan) remained in the Atlantic, supporting the Operation Torch landings in North Africa in December 1942. In 1943 they served off Italy, where Mayrant was badly damaged by a German air attack off Palermo and Rowan sunk by an E-boat (torpedo boat) attack off Salerno.[5]

Meanwhile, the six Pacific destroyers operated in the Solomon Islands (where Ellet was ordered to sink the Australian heavy cruiser Canberra after the Battle of Savo Island), and were on hand for the Naval Battle of Guadalcanal, 13–15 November 1942, in which Sterett was badly damaged and Benham sunk. Lang, Sterett, and Stack formed division "A-2" at the Battle of Vella Gulf in 1943 and, thereafter, all five remaining ships accompanied the advance through the Marshalls and Marianas. Reassigned as DesDiv 4 of DesRon 2, the former DesDiv 15 ships were at Leyte and later Okinawa; Ellet was at Iwo Jima. In April 1945, Sterett and Wilson were both damaged in kamikaze attacks while on radar picket duty; Wilson remained in service while Sterett returned to service as the war ended. Sterett, Ellet, and Lang were scrapped in 1947. The others, contaminated as targets in the Operation Crossroads atomic bomb tests, were decommissioned and scuttled in deep water off Kwajalein in 1948.[5]

Sterett earned 12 battle stars, the United States Presidential Unit Citation for the Battle of Guadalcanal and the Battle of Vella Gulf,[4] and the Philippine Republic Presidential Unit Citation for her World War II service.

Ships in class

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Ships of the Benham destroyer class[6]
Name Hull no. Builder Laid down Launched Commissioned Decommissioned Fate
Benham DD-397 Federal Shipbuilding 1 September 1936 16 April 1938 2 February 1939 — Torpedoed by Japanese at Naval Battle of Guadalcanal 15 November 1942, scuttled by Gwin[18]
Ellet DD-398 3 December 1936 11 June 1938 17 February 1939 29 October 1945 Sold for scrap 1 August 1947
Lang DD-399 5 April 1937 28 August 1938 30 March 1939 16 October 1945 Sold for scrap 31 October 1947
Mayrant DD-402 Boston Navy Yard 15 April 1937 14 May 1938 13 September 1939 28 August 1946 Damaged during Operation Crossroads atomic tests at Bikini Atoll, July 1946. Scuttled off Kwajalein, 4 April 1948
Trippe DD-403 1 November 1939 28 August 1946 Damaged during Operation Crossroads atomic tests at Bikini Atoll, July 1946. Scuttled off Kwajalein, 3 February 1948
Rhind DD-404 Philadelphia Naval Shipyard 22 September 1937 28 July 1938 10 November 1939 26 August 1946 Damaged during Operation Crossroads atomic tests at Bikini Atoll, July 1946. Scuttled off Kwajalein, 22 March 1948
Rowan DD-405 Norfolk Navy Yard 25 June 1937 5 May 1938 23 September 1939 — Torpedoed by German E-boats while on convoy duty between Salerno and Oran 11 September 1943
Stack DD-406 20 November 1939 29 August 1946 Damaged during Operation Crossroads atomic tests at Bikini Atoll, July 1946. Sunk as target off Kwajalein, 24 April 1948
Sterett DD-407 Charleston Navy Yard 2 December 1936 27 October 1938 15 August 1939 2 November 1945 Sold for scrap 10 August 1947
Wilson DD-408 Puget Sound Navy Yard 22 March 1937 12 April 1939 5 July 1939 29 August 1946 Damaged during Operation Crossroads atomic tests at Bikini Atoll, July 1946. Scuttled off Kwajalein, 8 March 1948

See also

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Wikimedia Commons has media related to Benham class destroyers.

References

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Citations

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  1. ^ Friedman p. 409
  2. ^ a b c Comparison of 1500-ton classes Archived 26 June 2015 at the Wayback Machine at Destroyer History Foundation Archived 19 February 2009 at the Wayback Machine
  3. ^ a b c d e f Friedman, pp. 90-91
  4. ^ a b USS Sterett Presidential Unit Citation at Destroyer History Foundation Archived 19 February 2009 at the Wayback Machine
  5. ^ a b c d e f Behham-class destroyers Archived 7 July 2011 at the Wayback Machine at Destroyer History Foundation Archived 19 February 2009 at the Wayback Machine
  6. ^ a b c Bauer and Roberts, p. 187
  7. ^ USS Benham, USS Ellet, and USS Lang General Information Book with as-built data at Destroyer History Foundation Archived 19 February 2009 at the Wayback Machine
  8. ^ Friedman, p. 469
  9. ^ Friedman, pp. 465-469
  10. ^ "Torpedo History: Torpedo Mk 15". Retrieved 7 July 2015.
  11. ^ Gardiner and Chesneau, pp. 112-116
  12. ^ DiGiulian, Tony, 5"/38 Mark 12 gun at NavWeaps.com Archived 5 September 2008 at the Wayback Machine
  13. ^ Photo gallery of USS Sterett (DD-407) at NavSource.org
  14. ^ Friedman, pp. 203-204
  15. ^ Friedman, p. 194
  16. ^ USS Mayrant (DD-402) photo gallery at NavSource.org
  17. ^ Friedman, pp. 218-219
  18. ^ Lenton, H. T. American Fleet and Escort Destroyers (New York: Doubleday, 1973), Volume 1, p.62.

Sources

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