Here's the Iowa-class Battleship as a future version that could be found some time in the mid 21st century. I generated this version out of a whim to see what I could do to the ship. The mounting of three laser turrets in replacements for the Nine 16 inch (406 mm) large guns that made the Iowa-class Battleship famous. I like this version as it still retains the 20th century version I generated a few years back. It can be used as a mobile platform to defend the Earth or any planet from Space Invaders or if you prefer the aliens from the movie Spaced Invaders like I do. I thought about installing a shielding system but thought that would be too advanced. I named it after the Hotspur from the Hornblower novels.

Let me know what you think.

21st Century Super-Battleship
Class and Type: Hotspur-class Super-Battleship
Commissioning Date: 2266

Hull Systems
Size: 5
Length: 275 meters
Beams: 40 meters
Decks: 10
Mass: 69,000 tons
SUs Available: 1200
SUs Used: 1105

Hull Outer <20>
Hull Inner <20>
Resistance Outer Hull: 6 <6>
Resistance Inner Hull: 4 <3>
Specialized hull: Aquatic Surface Hull <10>

PERSONNEL SYSTEMS
Crew/Passengers/Evac: 1,800/900/17,000
Crew Quarters
Barracks: Houses 1200 crewmembers <20>
Spartan: 1000 <50>
Basic: 500 <50>
Expanded: 1 <1>

Environmental Systems
Consumable: 1 years worth <10>
Food stores [0 Power/round] <2>
Machine shops [1 power/round] <6>
Medical Facilities: 1 (+0) [1 Power/round] <5>
Recreation Facilities: 1 [1 Power/round] <6>
Personal Transport: Jefferies tubes [0 Power/round] <5>
Fire Suppression System manual fire fighting systems <1>
Cargo hold: 3,100 cubic meters <1>
Locations: various areas

Propulsion Systems
Mechanical Drives: <20>
Speed: 20/30/35 nautical miles per hour

Power Systems
Nuclear Reactor (generates 80 Power/round) <80>
Standard Usable Power: 80

Operations systems
Bridge: dorsal tower <20>

Computer Core [1 Power/round] <3>
ODN <15>

Sensor Systems
Radar [1 power/round] <1>
Strength package: Class zero
Gain package: standard

Navigational instruments: [1 power/round] <1>
Strength Package: Class zero (strength 0)
Gain Package: Class Standard
Sensor Skill: 3

Communications Systems
Type 1 [3 power/round] <1>
Strength: 1
Security: -0

Security Systems Rating: 1 <4>

Tactical Systems
Nine Turret Mounted Type A Lasers <3 x 9 = 27>
Class: Sorac
Damage 20 [2 power/round]
Shots per round 1
Targeting System: Class Modern (Accuracy 7/8/10/13)
Range: 4/10,000/30,000/100,000 meters
Location: two forward in turrets of three, and one aft in turret of three
Firing Arc: 270 degrees

4 Phalanx Systems Machine Gun <11 x 4 = 44>
Standard Load: Armour piercing rounds (3 damage per burst (30 rounds))
Spread: 6 bursts
Range: 1/3/100/400 meters
Targeting System: Class Modern (Accuracy 7/8/10/13)
Power: none
Location:
Firing Arc: 400 degrees
Rounds carried: 2000 bursts <200>

2 missile Launchers <2>
Standard Load: 2 surfaces to air missiles “Sea Sparrows” (20 damage)
Spread: 2
Range: 1/10/25/50
Targeting System: Class Modern (Accuracy 7/8/10/13)
Power: [1 + 1 per missile fired]
Location: --
Firing Arc: port and starboard, but are self-guided
Missiles carried: 100 <10>

32 Vertical missile Launchers <32>
Standard Load: Tomhawk missiles (50 damage)
Spread: 2
Range: 5/50/100/200
Targeting System: Class Modern (Accuracy 7/8/10/13)
Power: [1 + 1 per missile fired]
Location: --
Firing Arc: -- , but are self-guided
Missiles carried: 32 <4>

Twenty 5 in. (127 mm) Mk 12 Gun <10 x 20 = 200>
Standard Load: Armor piercing rounds (10 damage)
Spread: 1 shot
Range: 10/30/1000/4000 meters
Targeting System: Class Modern (Accuracy 7/8/10/13)
Power: none
Location:
Firing Arc: 360 degrees
Rounds carried: 500 <50>

TA/T/TS: Class zero [0 power/round] <3>
Strength: 6
Bonus: +0
Weapon Skill: 3

Auxiliary Spacecraft systems
Hanger bay: Capacity for 2 Size worth of ships <4>
Standard Complement: 2 troop/anti-submarine warfare helicopters
Location(s): --