Difference between revisions of "20 mm/70 Oerlikon Mk.II (20 mm)"

Revision as of 09:23, 11 September 2021

Description

Write an introduction to the article in 2-3 small paragraphs. Briefly tell us about the history of the development and combat using the weaponry and also about its features. Compile a list of air, ground, or naval vehicles that feature this weapon system in the game.

Vehicles equipped with this weapon

Vehicles equipped with this weapon
SPAA	AEC AA · Crusader AA Mk II
Motor torpedo boats	PT-103 · PT-109 · PT-314 · Thunderbolt (PT-556) · PT-565 · PT-71 · PT-200
	MTB Vosper(2)
Motor gun boats	PTF-7
	Fairmile B (ML345) · Fairmile C (332) · SGB Grey Fox · SGB Grey Goose
Motor torpedo gun boats	LCS(L)(3) · USS Candid
Gunboats	HMS Spey
Sub-chasers	SC-497 · PC-451 · Carmi (PC-466)
	HMCS Brantford · HMS Liscomb
Frigates	USS Hoquiam
Destroyers	USS Barker · USS Aylwin · USS Fletcher · USS Bennion · USS Cowell
	USS Moffett · USS Phelps · USS Sumner
	HMS Churchill · HMS Vega · HMS Verdun
	ORP Garland · HMS Calpe · HMS Jervis · HMAS Nepal · HMS Eskimo
Light cruisers	USS Cleveland · USS Detroit · USS Helena · USS Raleigh
	HMNZS Leander · HMS Arethusa · HMS Dido · HMS Enterprise
Heavy cruisers	USS Portland · USS Baltimore
	HMS Hawkins · HMS London · HMS Norfolk · HMS York

General info

Tell us about the tactical and technical characteristics of the cannon or machine gun.

Available ammunition

Describe the shells that are available for the weapon and their features and purpose. If it concerns autocannons or machine guns, write about different ammo belts and what is inside (which types of shells).

Comparison with analogues

Give a comparative description of cannons/machine guns that have firepower equal to this weapon.

Usage in battles

Describe the cannon/machine gun in the game - its distinctive features, tactics of usage against notable opponents. Please don't write a "guide" - do not impose a single point of view, but give the reader food for thought.

Pros and cons

Summarise and briefly evaluate the weaponry in terms of its characteristics and combat effectiveness. Mark pros and cons as a list.

Pros:

Cons:

History

Examine the history of the creation and combat usage of the weapon in more detail than in the introduction. If the historical reference turns out to be too long, take it to a separate article, taking a link to the article about the weapon and adding a block "/History" (example: https://wiki.warthunder.com/(Weapon-name)/History) and add a link to it here using the main template. Be sure to reference text and sources by using <ref></ref>, as well as adding them at the end of the article with <references />.

Media

Excellent additions to the article would be video guides, screenshots from the game, and photos.

External links

Paste links to sources and external resources, such as:

topic on the official game forum;
other literature.

Britain and USA anti-aircraft guns
7.92 mm	BESA
12.7 mm	M2HB
20 mm	GAI C01 · M168 · Oerlikon Mk.II · Polsten
25 mm	GAU-12U
30 mm	HSS 831L
35 mm	GA-35
37 mm	M1A2
40 mm	Bofors L/60 · Dual Automatic Gun M2 · M266
	Foreign:
23 mm	ZU-23 ^(USSR)
35 mm	Oerlikon KDA ^(Swiss)

USA naval cannons
20 mm	20 mm/70 Oerlikon Mk.II · 20 mm/70 Oerlikon Mark V · 20 mm/70 Oerlikon Mark 24
25 mm	25 mm/87 Mk.38
28 mm	1.1 inch/75 Mk.1
37 mm	AN-M4
40 mm	Bofors L/60 Mark 1 · Bofors L/60 Mark 2 · Bofors L/60 Mark 3
76 mm	3 inch/23 Mk.4 · 3-inch/50 Mk.10 · 3-inch/70 Mk.37 · 3-inch Mark 10 · 3 inch Mk.33 · 3-inch Mk.34
102 mm	4 inch/50 Mk.9
127 mm	5 inch/25 Mk.11 · 5 inch/25 Mk.13 AA · 5 inch/38 Mk.12 · 5-inch/50 Mk.5 · 5 inch/51 Mk.7 · 127 mm/54 Mark 18
152 mm	6 inch/47 Mk.16 · 6 inch/47 DP Mk.16 · 6 inch/53 Mk.12
203 mm	8 inch/55 Mark 9 · 8 inch/55 Mark 12 · 8 inch/55 Mark 14 · 8 inch/55 Mark 16
305 mm	12-inch/45 Mk.5 · 12 inch/50 Mk.7 · 12 inch/50 Mk.8
356 mm	14 inch/45 Mk.8 · 14 inch/45 Mk.12 · 14 inch/50 Mk.11

Britain naval cannons
20 mm	20 mm/70 Oerlikon Mk.II · 20 mm/70 Oerlikon Mark V · 20 mm/70 Oerlikon Mark 24
40 mm	2pdr QF Mk.IIc · 2pdr QF Mk.VIII · 2pdr Rolls Royce · QF Mark V · QF Mark VII · QF STAAG Mark II
47 mm	3 pdr QF Hotchkiss
57 mm	6pdr 7cwt QF Mk IIA · 6pdr QF Mk.V
76 mm	3 inch 12pdr 12 cwt QF Mk.V · 3 inch/70 Mark 6 · 76 mm/45 QF 3in 20cwt HA Mark I · 76 mm/50 12pdr 18cwt QF Mark I · OQF 3in 20cwt
102 mm	4 inch/40 QF mark III · 4 in QF Mark V · 4 inch/45 Mark XVI · 4 inch/50 BL Mark VII · BL Mark IX
114 mm	4.5 inch/45 QF Mark IV · 4.5 inch/45 QF Mark V · 8cwt QF Mk I
120 mm	4.7 inch/45 Mk.XII
133 mm	5.25 inch/50 QF Mark I
152 mm	6 inch/45 BL Mark VII · 6 inch/45 BL Mark XII · 6 inch/50 BL Mark XXIII · 6 inch/50 QF Mark N5
190 mm	7.5 inch/45 BL Mk.VI
203 mm	8 inch/50 Mark VIII
305 mm	305 mm/45 Mark X · 12 inch/50 Mark XI
343 mm	13.5 inch/45 Mark 5(H) · 13.5 inch/45 Mark 5(L)
381 mm	15 inch/42 BL Mark I
	Foreign:
20 mm	Rh202 ^(Germany)
40 mm	Bofors L/60 Mark 2 ^(USA) · Bofors L/60 Mark 3 ^(USA)
76 mm	3 inch Mk.33 ^(USA) · 76 mm/62 OTO-Melara Compact ^(Italy)

@@ Line 1: / Line 1: @@
 == Description ==
-''Write an introduction to the article in 2-3 small paragraphs. Briefly tell us about the history of the development and combat using the weaponry and also about its features. Make an air or ground vehicles list on which this weapon is installed in our game.''
+''Write an introduction to the article in 2-3 small paragraphs. Briefly tell us about the history of the development and combat using the weaponry and also about its features. Compile a list of air, ground, or naval vehicles that feature this weapon system in the game.''
 === Vehicles equipped with this weapon ===
 <!-- ''List out vehicles that are equipped with the weapon.'' -->
-* {{Specs-Link|uk_armored_car_mk_2_aa}}
-* {{Specs-Link|uk_crusader_aa_mk_2}}
+{{Navigation-Start|Vehicles equipped with this weapon}}
+{{Navigation-First-Line|'''SPAA'''}}{{Specs-Link|uk_armored_car_mk_2_aa}}{{-}}{{Specs-Link|uk_crusader_aa_mk_2}}
+{{Navigation-First-Line|'''Motor torpedo boats'''}}{{Specs-Link|us_elco_80ft_pt_boat}}{{-}}{{Specs-Link|us_elco_80ft_pt109_boat}}{{-}}{{Specs-Link|us_elco_80ft_pt_boat_mod01}}{{-}}{{Specs-Link|us_elco_80ft_pt_boat_thunderbolt}}{{-}}{{Specs-Link|us_elco_80ft_pt_boat_mod02}}{{-}}{{Specs-Link|us_higgins_78ft_pt71}}{{-}}{{Specs-Link|us_higgins_78ft_pt625}}
+{{Navigation-Line| }}{{Specs-Link|uk_mtb_vosper_2series}}
+{{Navigation-First-Line|'''Motor gun boats'''}}{{Specs-Link|us_nasty_ptf}}
+{{Navigation-Line| }}{{Specs-Link|uk_fairmile_b_ml345}}{{-}}{{Specs-Link|uk_fairmile_c_332}}{{-}}{{Specs-Link|uk_sgb_304}}{{-}}{{Specs-Link|uk_sgb_309}}
+{{Navigation-First-Line|'''Motor torpedo gun boats'''}}{{Specs-Link|us_lcs_l_3}}{{-}}{{Specs-Link|us_admirable_class}}
+{{Navigation-First-Line|'''Gunboats'''}}{{Specs-Link|uk_frigate_river}}
+{{Navigation-First-Line|'''Sub-chasers'''}}{{Specs-Link|us_sc_497}}{{-}}{{Specs-Link|us_pc_451}}{{-}}{{Specs-Link|us_pc_466_carmi}}
+{{Navigation-Line| }}{{Specs-Link|uk_flower_class}}{{-}}{{Specs-Link|uk_isles_class_trawler}}
+{{Navigation-First-Line|'''Frigates'''}}{{Specs-Link|us_frigate_tacoma}}
+{{Navigation-First-Line|'''Destroyers'''}}{{Specs-Link|us_destroyer_clemson_barker}}{{-}}{{Specs-Link|us_destroyer_farragut_1942}}{{-}}{{Specs-Link|us_destroyer_fletcher}}{{-}}{{Specs-Link|us_destroyer_fletcher_bennion}}{{-}}{{Specs-Link|us_destroyer_fletcher_cowell}}
+{{Navigation-Line| }}{{Specs-Link|us_destroyer_porter_1942}}{{-}}{{Specs-Link|us_destroyer_porter_1944}}{{-}}{{Specs-Link|us_destroyer_sumner}}
+{{Navigation-Line| }}{{Specs-Link|uk_destroyer_clemson_churchill}}{{-}}{{Specs-Link|uk_destroyer_v_class_vega}}{{-}}{{Specs-Link|uk_destroyer_v_class_verdun}}
+{{Navigation-Line| }}{{Specs-Link|uk_destroyer_g_garland}}{{-}}{{Specs-Link|uk_destroyer_hunt_2series}}{{-}}{{Specs-Link|uk_destroyer_j_class}}{{-}}{{Specs-Link|uk_destroyer_n_class}}{{-}}{{Specs-Link|uk_destroyer_tribal}}
+{{Navigation-First-Line|'''Light cruisers'''}}{{Specs-Link|us_cruiser_cleveland_class_cleveland}}{{-}}{{Specs-Link|us_cruiser_omaha_class_detroit}}{{-}}{{Specs-Link|us_cruiser_brooklyn_class_helena}}{{-}}{{Specs-Link|us_cruiser_omaha_class_raleigh}}
+{{Navigation-Line| }}{{Specs-Link|uk_cruiser_leander}}{{-}}{{Specs-Link|uk_cruiser_arethusa}}{{-}}{{Specs-Link|uk_cruiser_dido}}{{-}}{{Specs-Link|uk_cruiser_enterprise_d52}}
+{{Navigation-First-Line|'''Heavy cruisers'''}}{{Specs-Link|us_cruiser_portland_class}}{{-}}{{Specs-Link|us_cruiser_baltimore_class}}
+{{Navigation-Line| }}{{Specs-Link|uk_cruiser_hawkins}}{{-}}{{Specs-Link|uk_cruiser_london}}{{-}}{{Specs-Link|uk_cruiser_norfolk}}{{-}}{{Specs-Link|uk_cruiser_york}}
+{{Navigation-End}}
 == General info ==
 ''Tell us about the tactical and technical characteristics of the cannon or machine gun.''
-=== Available shells ===
+=== Available ammunition ===
-''Describe the shells that are available for the cannon and their features and purpose. If it concerns autocannons or machine guns, write about different ammo belts and what is inside (which types of shells).''
+''Describe the shells that are available for the weapon and their features and purpose. If it concerns autocannons or machine guns, write about different ammo belts and what is inside (which types of shells).''
 === Comparison with analogues ===
-''Give a comparative description of cannons/machine guns, that have firepower equal to these type of weapons.''
+''Give a comparative description of cannons/machine guns that have firepower equal to this weapon.''
 == Usage in battles ==
-''Describe the cannon/machine gun in the game - its distinctive features, tactics of usage against the main opponents. Please don't write a "guide" - do not impose a single point of view, but give the reader food for thought.''
+''Describe the cannon/machine gun in the game - its distinctive features, tactics of usage against notable opponents. Please don't write a "guide" - do not impose a single point of view, but give the reader food for thought.''
 === Pros and cons ===
-''Summarize and briefly evaluate the weaponry in terms of its characteristics and combat effectiveness. Mark pros and cons as a list.''
+''Summarise and briefly evaluate the weaponry in terms of its characteristics and combat effectiveness. Mark pros and cons as a list.''
 '''Pros:'''
@@ Line 29: / Line 59: @@
 == History ==
-''Examine the history of the creation and combat usage of this weapon. If the historical reference turns out to be too big, take it to a separate article, taking a link to an article about the vehicle and adding a block "/ History" (example: <nowiki>https://wiki.warthunder.com/(weapon-name)/History</nowiki>) and add a link to it here using the <code>main</code> template. Be sure to reference text and sources by using <code><nowiki><ref></nowiki></code>, as well as adding them at the end of the article.''
+''Examine the history of the creation and combat usage of the weapon in more detail than in the introduction. If the historical reference turns out to be too long, take it to a separate article, taking a link to the article about the weapon and adding a block "/History" (example: <nowiki>https://wiki.warthunder.com/(Weapon-name)/History</nowiki>) and add a link to it here using the <code>main</code> template. Be sure to reference text and sources by using <code><nowiki><ref></ref></nowiki></code>, as well as adding them at the end of the article with <code><nowiki><references /></nowiki></code>.''
 == Media ==
-''An excellent addition to the article would be a video guide, as well as screenshots from the game and photos.''
+''Excellent additions to the article would be video guides, screenshots from the game, and photos.''
 == See also ==
@@ Line 42: / Line 72: @@
 ''Paste links to sources and external resources, such as:''
 * ''topic on the official game forum;''
-* ''encyclopedia page on weapon;''
 * ''other literature.''
 {{Britain and USA anti-aircraft guns}}
+{{USA naval cannons}}
+{{Britain naval cannons}}
 [[Category:Anti-aircraft guns]]
+[[Category:Naval cannons]]

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