Montana class
MONTANA (BB-67)
OHIO (BB-68)
MAINE (BB-69)
NEW HAMPSHIRE (BB-70)
LUISIANA (BB-71)


BB-67

BB-68

BB-69

BB-70

BB-71
1st Commanding Officer:

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-

-
Authorised:

July 19, 1940

July 19, 1940

July 19, 1940

July 19, 1940

July 19, 1940
Keel Laid:

no

no

no

no

no
Launched:

no

no

no

no

no
Commissioned:

Canceled on July 21, 1943

Canceled on July 21, 1943

Canceled on July 21, 1943

Canceled on July 21, 1943

Canceled on July 21, 1943
Sponsor:

-

-

-

-

-
Builder:

Assigned to the Philadelphia Navy Yard

Assigned to the Philadelphia Navy Yard

Assigned to the New York Navy Yard, Brooklyn, NY

Assigned to the New York Navy Yard, Brooklyn, NY

Assigned to the Norfolk Navy Yard, Portsmouth, Virginia
Original Engines Manufactured:

Geared turbines

Geared turbines

Geared turbines

Geared turbines

Geared turbines
Original Boilers Manufactured:

Babcock & Wilcox type

Babcock & Wilcox type

Babcock & Wilcox type

Babcock & Wilcox type

Babcock & Wilcox type
Original Fuel:

Oil, 7500 tons (2,250,000gallons)

Oil, 7500 tons (2,250,000gallons)

Oil, 7500 tons (2,250,000gallons)

Oil, 7500 tons (2,250,000gallons)

Oil, 7500 tons (2,250,000gallons)
Drive:

Turbine, 4 screws

Turbine, 4 screws

Turbine, 4 screws

Turbine, 4 screws

Turbine, 4 screws
Designed Speed:

28 knots

28 knots

28 knots

28 knots

28 knots
Designed Shaft Horsepower:

172,000

172,000

172,000

172,000

172,000
Design Comments:

Designed to have been the ultimate in American battleship development

Designed to have been the ultimate in American battleship development

Designed to have been the ultimate in American battleship development

Designed to have been the ultimate in American battleship development

Designed to have been the ultimate in American battleship development
Displacement Standard Tons:

60,500

60,500

60,500

60,500

60,500
Displacement Full Load Tons:

70,965

70,965

70,965

70,965

70,965
Design Crew Complement:

115 officers
2240 enlisted
2789 Flagship

115 officers
2240 enlisted
2789 Flagship

115 officers
2240 enlisted
2789 Flagship

115 officers
2240 enlisted
2789 Flagship

115 officers
2240 enlisted
2789 Flagship
Construction Cost:

$200 mil

$200 mil

$200 mil

$200 mil

$200 mil
Length:

(w.l.) 890' , (o.a.) 921'

(w.l.) 890' , (o.a.) 921'

(w.l.) 890' , (o.a.) 921'

(w.l.) 890' , (o.a.) 921'

(w.l.) 890' , (o.a.) 921'
Beam:

(w.l.) 115' , 121'2" (max)

(w.l.) 115' , 121'2" (max)

(w.l.) 115' , 121'2" (max)

(w.l.) 115' , 121'2" (max)

(w.l.) 115' , 121'2" (max)
Draught:

36'4"

36'4"

36'4"

36'4"

36'4"
Guns:

12-16" 50 cal
(41,600-yard range with AP rouns)
20-5"/54 cal; 10 quad 40mm AA; 56-20mm AA

12-16" 50 cal
(41,600-yard range with AP rouns)
20-5"/54 cal; 10 quad 40mm AA; 56-20mm AA

12-16" 50 cal
(41,600-yard range with AP rouns)
20-5"/54 cal; 10 quad 40mm AA; 56-20mm AA

12-16" 50 cal
(41,600-yard range with AP rouns)
20-5"/54 cal; 10 quad 40mm AA; 56-20mm AA

12-16" 50 cal
(41,600-yard range with AP rouns)
20-5"/54 cal; 10 quad 40mm AA; 56-20mm AA
Aircraft:

-

-

-

-

-
Catapults:

2, aft

2, aft

2, aft

2, aft

2, aft
Torpedo Tubes:

none

none

none

none

none
Armour:

Maximum thickness 18" at turret face plates

Maximum thickness 18" at turret face plates

Maximum thickness 18" at turret face plates

Maximum thickness 18" at turret face plates

Maximum thickness 18" at turret face plates
Final Disposition: - name Montana assigned on Dec. 28, 1940
- Construction canceled July 21, 1943 before the keel was laid
- with extreme beam as authorized, the Montana Class would not fit through the locks of the Panama Canal
- Class suspended on May 20, 1942 and canceled on July 21, 1943
- name Montana assigned on Dec. 28, 1940
- Construction canceled July 21, 1943 before the keel was laid
- with extreme beam as authorized, the Montana Class would not fit through the locks of the Panama Canal
- Class suspended on May 20, 1942 and canceled on July 21, 1943
- name Montana assigned on Dec. 28, 1940
- Construction canceled July 21, 1943 before the keel was laid
- with extreme beam as authorized, the Montana Class would not fit through the locks of the Panama Canal
- Class suspended on May 20, 1942 and canceled on July 21, 1943
- name Montana assigned on Dec. 28, 1940
- Construction canceled July 21, 1943 before the keel was laid
- with extreme beam as authorized, the Montana Class would not fit through the locks of the Panama Canal
- Class suspended on May 20, 1942 and canceled on July 21, 1943
- name Montana assigned on Dec. 28, 1940
- Construction canceled July 21, 1943 before the keel was laid
- with extreme beam as authorized, the Montana Class would not fit through the locks of the Panama Canal
- Class suspended on May 20, 1942 and canceled on July 21, 1943
Commendations:

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