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...p was named for Ensign Walter Michael Willis (14 January 1917 - 7 December 1941). He enlisted in the Naval Reserve as a seaman 2d class at Minneapolis. Wil ...V-6}}, and flew Douglas SBD Dauntless dive bombers until early in December 1941. On the morning of 7 December, as ''Enterprise'' was returning from Wake Is

...sacrificed his life in the Japanese attack on [[Pearl Harbor]] 7 December 1941. When his ship was being abandoned, he remained in a [[turret]] holding a * [[List of United States Navy ships]]

...brave actions during the Japanese attack on [[Pearl Harbor]] on 7 December 1941. She was launched 19 January 1943 by the [[Consolidated Steel]] Corp., [[Or * [[List of United States Navy ships]]

...the [[Atlantic]], built around escort carrier {{USS|Croatan|CVE-25}}. The ships sailed 24 March for the [[convoy]] lanes to search for German [[U-boat]]s. ...ored another kill, this time on German submarine [[German submarine U-154 (1941)|''U-154'']]. ''Inch'' remained on this vital duty, so important in stoppin

...Navy Cross]] for his brave actions when, at [[Pearl Harbor]] on 7 December 1941, ''Seaman Moore'' remained at his station on [[antiaircraft]] gun No. 1 in * [[List of United States Navy ships]]

...illed in action during the Japanese attack at [[Pearl Harbor]], 7 December 1941. He received a citation for prompt and efficient action and utter disregard * [[List of United States Navy ships]]

...90|''U-490'']]. On 3 July, Frost and Inch killed [[German submarine U-154 (1941)|''U-154'']] ''Snowden'' put a boat in the water, and it collected such deb ...At 0114 the next morning, there was an even larger explosion, which shook ships 12 miles away, followed by several minor ones. That was the end of [[German

...urprise [[Empire of Japan|Japanese]] attack on [[Pearl Harbor]] 7 December 1941, ''Maryland'' was moored inboard of ''[[USS Oklahoma (BB-37)]]'' and receiv ...ls. In 1957, she took part in important [[NATO]] exercises with almost 50 ships from a dozen countries and in 1958 the versatile ship acted as communicatio

...led in action during the Japanese attack on [[Pearl Harbor]] on 7 December 1941. She was launched 5 June 1943, by [[Consolidated Steel]] Corp., [[Orange, T * [[List of United States Navy ships]]

...in the [[Empire of Japan|Japanese]] attack on [[Pearl Harbor]], 7 December 1941. She was laid down by the [[Consolidated Steel]] Co., [[Orange, Texas]], 12 ...n]] planes attacked Convoy UGS–38 at dusk off [[Algiers]], and sank five ships, including a transport carrying 500 soldiers, and destroyer {{USS|Lansdale|

She was named in honor of ensign Joseph Lee Richey who was killed 7 December 1941 during the [[Empire of Japan|Japanese]] attack on [[Pearl Harbor]]. She was * [[List of United States Navy ships]]

...n Russell Franklyn Chambers who was reported missing in action 27 December 1941 after an engagement with the enemy over [[Jolo]] in the [[Philippines]]. Sh * [[List of United States Navy ships]]

...honor of Ensign Howard Deel Merrill who was declared dead as of 7 December 1941, as a result of the [[Empire of Japan|Japanese]] attack on [[Pearl Harbor]] [[Category:Ships built in Texas]]

...Marine Corps Reserve]] 9 June 1941. Joining {{USS|Hornet|CV-8}} 19 October 1941, he remained on board that ship until his death 2 days after the action off [[Category:Ships built in Texas]]

...[torpedo]] ''Frost'', resulted in the sinking of [[German submarine U-154 (1941)|''U-154'']]. * [[List of United States Navy ships]]

...al Reserve]] 20 January 1941 and was appointed a naval aviator 29 December 1941. Attached to Patrol Squadron 44, Ensign Camp was killed in action 7 June 19 ...om [[New York]] to ports of the [[United Kingdom]], guarding convoys whose ships brought troops and mountains of equipment and supplies for the buildup and

|Ship laid down=23 July 1941 ...ong Kiet'' and pennant number HQ-16 are confirmed by ''Jane{{'s}} Fighting Ships 1973-1974'', p. 592, and the United States Coast Guard Historian's Office a

|Ship laid down=23 July 1941 ...] Robert L. Moon, Jr.. ''Absecon'' was unique among the ''Barnegat''-class ships in that she was the only one fitted with an [[aircraft catapult]] and [[cra

|Ship complement=215 (ships' company)<br/>367 (with aviation unit) ...n the [[battleship]] {{USS|Oklahoma|BB-37}} (BB-37) was sunk on 7 December 1941 at [[Pearl Harbor]], [[Hawaii]], and was [[Ship commissioning|commissioned]

|Ship launched=15 November 1941 |Ship completed=December 1941

|Ship launched=15 November 1941 |Ship commissioned=27 December 1941

...f the [[United States Coast Guard#Symbols|"racing stripe"]] marking on its ships and her [[Ship decommissioning|decommissioning]] in 1969. |Ship launched=17 March 1941

|Ship launched=17 March 1941 |Ship commissioned=7 October 1941

|Ship laid down= 23 July 1941 ...Absecon (AVP-23)|USS ''Absecon'' (AVP-23)]]. She was laid down on 23 July 1941 by [[Lake Washington Shipyard]] at [[Houghton, Washington|Houghton]], [[Was

...f the [[United States Coast Guard#Symbols|"racing stripe"]] marking on its ships. |Ship laid down=15 August 1941

|Ship laid down=15 August 1941 ''Coos Bay'' (AVP-25) was laid down on 15 August 1941 by [[Lake Washington Shipyards]], [[Houghton, Washington]], and was launche

...the [[United States Coast Guard#Symbols|"racing stripe"]] markings on its ships. |Ship laid down=30 June 1941

|Ship laid down=30 June 1941 ''Rockaway'' was laid down on 30 June 1941 by [[Associated Shipbuilders, Inc.]], at [[Seattle, Washington|Seattle]], [

...f the [[United States Coast Guard#Symbols|"racing stripe"]] marking on its ships. |Ship launched=23 May 1941

|Ship launched=23 May 1941 |Ship commissioned=3 July 1941

...the [[United States Coast Guard#Symbols|"racing stripe"]] markings on its ships. |Ship laid down=23 July 1941

|Ship acquired= by the Navy in 1941 ...S. Maritime Commission]] from her owner, Eastern Steamship Lines, Inc., in 1941; transferred under time charter to the Navy 2 January 1942; renamed ''Manha

|Ship owner=1918: {{USSB|first=only}}<br>before 1941: Steel Products Transportation Company, [[Buffalo, New York]] |Ship acquired= 15 September 1941 as ''J. Floyd Massey, Jr.''

...e first coast artillery officer killed ([[Hickam Field]], Hawaii on Dec 7, 1941)<ref>http://www.nps.gov/valr/historyculture/us-army.htm | National Park Ser * [[List of United States Navy ships]]

|Ship acquired= by the USS Navy, 29 December 1941 ...poration]], [[Sparrows Point, Maryland]]; acquired by the Navy 29 December 1941 from Eastern Shipbuilding Lines, Inc., [[Boston, Massachusetts]]; converted

|Built range=1941&ndash; |Total ships building=

...'Barnegat''-class small seaplane tenders, in [[Puget Sound]] on 14 October 1941 ....history.navy.mil/danfs/r8/rockaway.htm).</ref> [[Seattle, Washington]] (4 ships)

...= "Weld It!" - TIME Magazine | accessdate = 2008-11-07 | work=Time | date=1941-12-15}}</ref> Arc welding was first applied to aircraft during the war as ...sten arc welding]], after decades of development, was finally perfected in 1941 and [[gas metal arc welding]] followed in 1948, allowing for fast welding o

...reasury]] to the [[United States Navy]], ''Triton'' and five of her sister ships were turned over to the Navy. This action occurred simultaneously with the ...duties. At the time of the Japanese [[attack on Pearl Harbor]], 7 December 1941, ''Triton'' was operating out of Key West. In or around February 1942, ''Tr

...n shore as coastal artillery.<ref name=NHC>{{cite web | title = Greek Navy Ships -- Lemnos | url = http://www.history.navy.mil/photos/sh-fornv/greece/grksh- ...ey were fired during the [[Battle of Greece|German invasion of Greece]] in 1941.

...may have designated as the ''Drh. LC/40'', but development ceased when the ships were canceled in 1939.<ref name=c/><ref name=n>{{cite web|url=http://www.na ...anone 18]] in Mörserlafette'' exceeded the available number of barrels in 1941 and eight ''SK C/28'' barrels were adapted for use on the carriages as the

...econd London Naval Treaty|Treaty battleships]]. It was first introduced in 1941 aboard their [[North Carolina class battleship|''North Carolina''-class]] [ ...classes, despite the fact that the ''North Carolina'' and ''South Dakota'' ships were [[treaty battleship]]s. Only the [[Yamato class battleship|''Yamato''-

...primary shipborne light AA weapon, and equipped a large variety of German ships. The C/30 was also used experimentally as an aircraft weapon, notably on th ...e overall weight of the gun to a mere 276.0&nbsp;kg. Production started in 1941 and entered service in 1942.

...of World War II]] at [[Attack on Pearl Harbor|Pearl Harbor]] on 7 December 1941 ...ns removed from destroyers were mounted on [[Defensively Equipped Merchant Ships]] like [[SS Stephen Hopkins|SS ''Stephen Hopkins'']].<ref name="Campbell 19

==Ships mounting 5"/25 caliber guns== *{{USS|Pensacola|CA-24}}<ref name=F9>Fahey 1941 p.9</ref>

...ectiveness by the Marines during the [[Battle of Wake Island]] in December 1941. * [[USCG Tampa Class Cutter]]s<ref name="fahey42">Fahey 1941 p. 42</ref>

The '''BL 14 inch mk VII naval gun''' was designed for the ships of the [[Royal Navy]] in the late 1930s. This gun armed the [[King George V ...when [[HMS King George V (41)|''King George V'']] engaged ''Bismarck'' in 1941, and [[HMS Duke of York (17)|''Duke of York'']] engaged [[German warship Sc

...n Elizabeth class battleship|''Queen Elizabeth'' class battleship]]s (Five ships with eight guns each) *[[Revenge class battleship|''Revenge'' class battleship]]s (Five ships with eight guns each)

...e Bofors. Their first examples were air-cooled versions quickly adapted to ships during the withdrawal from Norway. With the fall of the west in 1940 the Du ...arted production illegally. A formal contract with Bofors followed in June 1941. The resulting Mark 1 and Mark 2 weapons were intended for the left and rig

...(ship)|deck]]-mounted anti-aircraft weapon in at least some of the [[MAS (ships)|MAS torpedo boat]]s. The naval mounting had an elevation of -10 to +90 deg * [[Jon Latimer|Latimer, Jon]]. Tobruk 1941: Rommel's opening move. Praeger, 2004. ISBN 0 275 98287 4

...tocannon]] produced by [[Waffenfabrik Mauser]] starting in 1940. It was in 1941 developed into the '''20&nbsp;mm MG 151/20''' cannon which was widely used | align="center" | 695 || Optimized for strafing unarmoured ships. No self-destruct. Penetration 15 mm of steel at 75 degree impact angle, 10

...ne]]s of WW1,<ref name="Blair, p.54">Blair, p.54.</ref> designed to "break ships' backs" (fracture their keels) by causing explosions beneath them, where wa ...rgo (SS-188)|''Sargo'']] fired a total of eight torpedoes at two different ships, with no results, and had become very frustrated; when two additional merch

..., Frederick J. "U. S. Navy Torpedoes. Part Two: The great torpedo scandal, 1941-43."] ''The Submarine Review'', October 1996.</ref> ...to attack at once with guns, but reserve torpedoes for use against capital ships.

...(HUSL) and [[Bell Labs|Bell Telephone Labs]] began development in December 1941. These later projects later became Office of Scientific Research and Develo ...to 150 feet (45 m). To prevent the torpedo accidentally attacking surface ships, it resumed its circling search if it rose above a depth of 40 feet (12 m).

| accessdate = 2008-10-08 }}</ref> Its development was begun in 1941 as a replacement for ''[[Hedgehog (weapon)|Hedgehog]]'', a [[United Kingdom By the end of the war, over 100 Mousetrap Mark 22s were mounted in U.S. Navy ships, including three each on 13 [[destroyer]]s{{Fact|date=July 2007}}, and [[su

...es of the Oerlikon cannon were used much more extensively, on aircraft, on ships and on land. In the air, the Ikaria [[MG FF]] was used as armament on a num ...40; and the first guns were delivered to the Royal Navy in March or April, 1941.

...ely on aiming the guns by the gun's crew due to the lack of space on these ships to site a Pom-Pom Director.<ref>Campbell, ''Naval Weapons of WW2''</ref> ...th [[HMS_Prince_of_Wales_(53)|HMS Prince of Wales]] being one of the first ships to receive the radar upgrade, which she first used in action during [[Opera

...t was ordered in 1915 by the [[Royal Navy]] as an anti-aircraft weapon for ships of cruiser size and below. The original models fired from hand-loaded fabri ...of storage to see service in [[World War II]], mainly on board second-rate ships such as [[naval trawler]]s, Motor Boats and "armed yachts". It was used alm

...typically the Peerless 4 Ton. In addition, many were mounted on Royal Navy ships. In 1941, 100 of the obsolete guns were converted to become the '''3&nbsp;inch 16 cw

...e for the Royal Navy, used particularly on [[destroyer]]s. Apart from some ships armed with [[QF 4 inch gun]]s due to supply problems, it remained the stand ...ge of 12 rounds per gun per minute, during one prolonged action in January 1941.<ref>''Naval Weapons of WW2'', Campbell, p17</ref>

...ore targets, with or without the aid of radar or optical sighting. Most US ships destroyers or larger (but not destroyer escorts or escort carriers) employe ...ions. An officer on the flagship would signal target information to other ships in the formation.

|unit_cost= 20,000 yen (in the year 1941) ...hly advanced and the biggest breakthrough in aerial torpedo development in 1941.

...45|-|47|kn|km/h}},<ref>{{cite book|title=Imperial Japanese Navy Submarines 1941-45|author=Mark Stille, Tony Bryan|publisher=Osprey|page=7}}</ref> which is ...pedo, and second only to the Type 93 "Long Lance" used by Japanese surface ships. It ran on pure oxygen rather than the compressed air used by most torpedo

...der Factory, Waltham Abbey]] was damaged by a German [[parachute mine]] in 1941 and it never reopened.<ref name="cocroft-4"/> This was followed by the clos It was also used for sterilizing on ships when there was no alcohol.

Hemp rope was used in the [[Age of Sail|age of sailing ships]], though the rope had to be protected by [[Tarring (rope)|tarring]], since ...d [[Hemp Car]]) with wheat straw, hemp and sisal. (Popular Mechanics, Dec. 1941, "Pinch Hitters for Defense.") Filtered hemp oil can be used directly to po

The Hilti company was founded in 1941 by Martin and Eugen Hilti,<ref>[http://www.hilti.com/data/editorials/-12323 ...pines, Goddio found and/or excavated several historically important sunken ships which had been resting on the bottom of the South China Sea for hundreds of

The [[Soviet Union]]'s aerial attack on [[Finland]] on June 25, 1941, as an answer to the [[Nazi Germany|German]] attack on [[Russia]] of June 2 ...mines were not laid until the morning of 8 April, by which time the German ships were advancing up the Norwegian coast."<ref>"COMMAND DECISIONS", CENTER OF