My OWP tend to design big.
HMB Apache class Missile Orbital Base 201200 tons 19128 Crew 56803.5998 BP TCS 4024 TH 438 EM 4500
217 km/s Armour 30-305 Shields 150-180 Sensors 900/700/0/0 Damage Control Rating 1921 PPV 770
Annual Failure Rate: 351% IFR: 4.9% Maintenance Capacity 171482 MSP Max Repair 1416 MSP
Flag Bridge Magazine 9520
GeneralElectric ICFD E0.3 (4) Power 219 Fuel Use 3% Signature 109.5 Armour 0 Exp 1%
Fuel Capacity 4,000,000 Litres Range 1189.0 billion km (63419 days at full power)
Epsilon R180/9 Shields (50) Total Fuel Cost 450 Litres per day
Quad 30cm C6 X-Ray Laser Turret (5x4) Range 384,000km TS: 10000 km/s Power 96-24 RM 7 ROF 20 24 24 24 24 24 24 24 20 18 16
Single 30cm C6 X-Ray Laser Turret (10x1) Range 384,000km TS: 10000 km/s Power 24-6 RM 7 ROF 20 24 24 24 24 24 24 24 20 18 16
CIWS-320 ECCM-3 (20x8) Range 1000 km TS: 32000 km/s ROF 5 Base 50% To Hit
Fire Control S16 192-32000 H50 (4) Max Range: 384,000 km TS: 32000 km/s 97 95 92 90 87 84 82 79 77 74
Tokamak Fusion Reactor Technology PB-0.875 AR-4 (3) Total Power Output 105 Armour 4 Exp 3%
Tokamak Fusion Reactor Technology PB-0.875 AR-4 (10) Total Power Output 70 Armour 4 Exp 3%
AM Size 1 Missile Launcher 5s (50) Missile Size 1 Rate of Fire 5
GaterViper-2 Launcher s10 (10) Missile Size 2 Rate of Fire 10
Warlock-6 Launcher s25 (20) Missile Size 6 Rate of Fire 25
Missile Fire Control FC200-R75 (5) Range 450.0m km Resolution 75
Missile Fire Control FC200-R1 (10) Range 6.0m km Resolution 1
Warlock III RGM-6 ASM (820) Speed: 26,700 km/s End: 125m Range: 200.2m km WH: 8 Size: 6 TH: 133 / 80 / 40
Abel Bosum AMM sIII (3000) Speed: 48,000 km/s End: 2.1m Range: 6m km WH: 1 Size: 1 TH: 896 / 537 / 268
Viper GateSieger ASM-2 V2 (800) Speed: 28,000 km/s End: 3.6m Range: 6m km WH: 4 Size: 2 TH: 317 / 190 / 95
Active Search Sensor S600-R75 (2) GPS 45000 Range 450.0m km Resolution 75
Active Search Sensor S600-R1 (2) GPS 600 Range 6.0m km Resolution 1
BattleAreaThermal Sensor TH50-900 (50%) (1) Sensitivity 900 Detect Sig Strength 1000: 900m km
BattleEM Detection Sensor EM50-700 (50%) (1) Sensitivity 700 Detect Sig Strength 1000: 700m km
ECCM-4 (2) ECM 40
Missile to hit chances are vs targets moving at 3000 km/s, 5000 km/s and 10,000 km/s
This design is classed as a military vessel for maintenance purposes
Obviously need a huge Economic and Resources rich Nation