United States of America
Naval Guns
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USA National Flag.First USN Naval Jack.US Union Jack.Flag of the US Navy
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Background Information
USN Naval Gun Designations
USN Ship Designations
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Modern Weapons (1980 to Present)
150 mm Electromagnetic Rail Gun Future Warships
155 mm/62 AGS Zumwalt (DDG-1000) Class
5"/62 Mark 45 Mod 4 Arleigh Burke (DDG-51) Class
5"/54 Mark 45 Mods 0 - 2 Cruisers and Destroyers 1970s to 2000
5"/54 Mark 42 US Ships 1950s to 1980s
76 mm/62 Mark 75 Navy frigates, hydrofoils and the larger Coast Guard cutters
57 mm/70 Mark 110 Freedom (LCS-1) Class
USCG Bertholf Class (Maritime Security Cutter, Large)
40 mm Mark 19 Grenade MG Destroyers and Cyclone (PC-1) Class
30 mm Bushmaster II Mark 44 San Antonio (LPD-17), Freedom (LCS-1) and Zumwalt (DDG-1000) Classes
25 mm Mark 38 MGS Amphibious and auxiliary ships, patrol craft and Coast Guard cutters
20 mm Phalanx US ships after 1978
20 mm Mark 16 Patrol Craft and Coast Guard Cutters
0.50"/72 M3M GAU-21 US Rotary-wing Aircraft
0.50"/70 Gatling GAU-19/A US Aircraft and Warships
0.50" BMG M2 GAU-16 US ships 1920s to present
0.30" GAU-17 Light Aircraft, Helicopters and Ships 1970s to present
7.62 mm Bushmaster Chaingun Mark 52 Surface ships
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Historical Weapons
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Battleship Main Guns
18"/48 Mark 1
16"/56 Mark 4
18"/47 Mark A
Experimental Gun
16"/50 Mark 7 Iowa (BB-61) and Montana (BB-67) Classes
16"/45 Mark 6 North Carolina (BB-55) and South Dakota (BB-57) Classes
16"/45 Marks 5 and 8 Colorado Class (BB-45)
16"/50 Marks 2 and 3 South Dakota (BB-49) and Lexington (CC-1) Classes
16"/45 Mark 1 Colorado Class (BB-45)
14"/50 Marks 7 and 11
14"/50 Mark B
New Mexico (BB-40) and Tennessee (BB-43) Classes
Planned for North Carolina (BB-55) Class
14"/45 Marks 8, 9, 10 and 12 New York (BB-34), Nevada (BB-36) and Pennsylvania (BB-38) Classes
14"/50 Marks 4 and 6 New Mexico (BB-40) and Tennessee (BB-43) Classes
14"/45 Marks 1, 2, 3 and 5 New York (B-34), Nevada (B-36) and Pennsylvania (B-38) Classes
13"/35 Marks 1 and 2 Indiana (B-1), Kearsage (B-5) and Illinois (B-7) Classes
12"/50 Mark 8 Alaska (CB-1) Class
12"/50 Mark 7 Wyoming (B-32) Class
12"/45 Marks 5 and 6 Connecticut (B-18), Mississippi (B-23), South Carolina (B-26), Delaware (B-28) and Florida (B-30) Classes
12"/40 Marks 3 and 4 Arkansas (M-7), Maine (B-10) and Virginia (B-13) Classes
12"/35 Marks 1 and 2 Texas (1895), Iowa (B-4), Puritan (M-1) and Monterey (M-6) Classes
10"/40 Mark 3 Tennessee (ACR-10) Class
10"/31 Mark 1 Mod 0 and Mod 1
10"/34 Mark 1 Mod 2
10"/30 Mark 2
Amphitrite (M-2), Mianonomoh (M-5), Monterey (M-6) and Maine (1895) Classes
9"/98 Mark 1 Experimental
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Cruiser / Destroyer Main Guns and Battleship / Cruiser Secondary Guns
8"/55 Mark 71 Hull (DD-945)
8"/55RF Mark 16 Des Moines (CA-134) Class
8"/55 Marks 12 and Mark 15 Tuscaloosa (CA-37), Wichita (CA-45), Baltimore (CA-68) and Oregon City (CA-122) Classes
8"/55 Marks 9, 10, 11, 13 and 14 Lexington (CV-2), Pensacola (CA-24), Northampton (CA-26), Indianapolis (CA-33) and early New Orleans (CA-32) Classes
8"/23 Mark 7
8"/15 Mark 8
"Flush-deck" destroyers
8"/45 Mark 6 Virginia (B-13), Connecticut (B-18) and Mississippi (B-23) Classes
8"/35 Marks 3 and 4
8"/40 Mark 5
Indiana (B-1), Iowa (B-4), Kearsage (B-5), New York (ACR-2), Brooklyn (ACR-3), Pennsylvania (ACR-4), Charleston (C-2), Baltimore (C-3), Olympia (C-6) and Columbia (C-12) Classes
8"/30 Marks 1 and 2 Atlanta and Chicago Classes ("New Navy" ships)
7"/44 Mark 1 and
7"/45 Mark 2
Connecticut (B-18) and Mississippi (B-23) Classes
6"/47 Mark 17 Erie (PG-50) Class
6"/47DP Mark 16 Worcester (CL-144) Class
6"/47 Mark 16 Brooklyn (CL-40), St. Louis (CL-49), Cleveland (CL-55) and Fargo (CL-106) Classes
6"/53 Marks 12, 14, 15 and 18 Omaha (CL-4), South Dakota (BB-49), Lexington (CC-1), Argonaut (SS-166) and Narwhal (SS-167) Classes
6"/44 Mark 9
6"/45 Mark 10
6"/50 Mark 11
6" Mark 13
Miscellaneous 6" guns
6"/50 Marks 6 and 8 Maine (B-10), Virginia (B-13), St. Louis (C-20) and Pennsylvania (ACR-4) Classes
6"/50 Mark 5 New Orleans Class ("Elswick Cruisers")
6"/30 Marks 1, 2 and 3
6"/35 Mark 3
6"/40 Marks 3, 4 and 7
Dolphin, Chicago, Atlanta (1886), Boston, Maine (1895), Texas (1895), Indiana (B-1), Iowa (B-4), Illinois (B-7), Newark (C-1), Charleston (C-2), Baltimore (C-3), Philadelphia (C-4), San Francisco (C-5), Cincinnati (C-7) and Yorktown (PG-3) Classes
5.4"/48 Mark 1
5"/70 Type F
5"/54 Mark 65
5"/54 Mark 66
Proposed 5.4" and 5" guns of the 1940s - 1960s
5"/54 Mark 16 Montana (BB-67) and Midway (CVB-41) Classes
5"/38 Mark 12 US ships 1930s to 1980s
5"/25 Marks 10, 11, 13 and 17 US ships 1920s to 1940s
5"/51 Marks 7, 8, 9, 14 and 15 Battleships 1910s to 1940s, a few destroyers, submarines and auxiliaries
5"/50 Marks 5 and 6 Delaware (B-28), Denver (C-14) and Chester (CS-1) Classes
New Orleans Class ("Elswick Cruisers") as rearmed
5"/40 Marks 2, 3 and 4 Kearsage (B-5), Brooklyn (ACR-3), Olympia (C-6), Cincinnati (C-7) and Montgomery (C-9) Classes
5"/31 Mark 1 Chicago (1885) and Auxiliary Cruisers
4.7"/50 Mark 3 New Orleans Class ("Elswick Cruisers")
4"/50 Marks 7, 8, 9 and 10 "Flush Deck" destroyers and Submarines 1935-1941
4"/40 Marks 1, 3, 4, 5 and 6
4"/39 Mark 2
Iowa (B-4), Columbia (C-12), New York (ACR-2), Nashville (PG-7) and Wilmington (PG-8) Classes
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Smaller Caliber and Anti-Aircraft Guns
3"/70RF Mark 37 Carpenter (DDE-825), Northampton (CLC-1), Norfolk (DL-1) and Mitscher (DL-2) Classes
3"/50RF Marks 27, 33 and 34 US Ships 1945 to 1980
3"/50 Marks 10, 17, 18, 19, 20, 21 and 22 Arkansas (B-33), New York (B-34), Omaha (CL-4), Buckley (DE-51), Cannon (DE-99), Edsall (DE-129) and Gato (SS-212) Classes
3"/15 Mark 12
3"/24 Mark 15
3"/105 Mark 16
Experimental and Miscellaneous 3" Guns
3"/23 Marks 4, 7, 9, 11, 13 and 14 US Ships 1900s to 1940s
3"/50 Marks 2, 3, 5, 6 and 8 US Ships 1900s to 1920s
3"/21 Mark 1
3"/21 Field Guns
Landing Guns 1870s - 1890s
6-pdr (57 mm) US Ships 1880s to 1910s
3-pdr (47 mm) US Ships 1880s to 1910s
40 mm/56 Bofors Mark 1, Mark 2 and M1 US Ships 1940s to 1960s
Spectre Patrol Boats 1980s
37 mm/56 M4 PT Boats
1-pdr (37 mm) US Ships 1880s to 1920s
30 mm Emerlec-30 Coastal Patrol Boats
1.1"/75 Marks 1 and 2 US Ships 1930s to 1940s
20 mm/70 Oerlikon Marks 2, 3 and 4 Most US Ships 1940s
0.30" MG US Ships 1930s to 1940s
Zalinsky Pneumatic "Dynamite" Guns USS Vesuvius and USS Holland
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Updated 22 November 2014