NationStates Jolt Archive


New Hunter-Killer Cruiser [Navy Reference Post]

Scandavian States
20-10-2006, 01:15
Sagittaire class Nuclear-Powered Hunter-Killer Cruiser

Displacement: 75,000 tons tons
Dimensions: 330M L x 70M W x 10.4M D

Propulsion:
2 x Ascension Nuclear Type-3 Pebblebed reactors rated at 175Mw each
6 x Water jets

Speed: 40+ knots (top speed)

Crew: 550
Endurance: Limited to crew endurance only.

Radar:
APAR-SX Mod 0 Air/Surface (Medium Range Air/Surface Search/Targeting)
AS-35 Mod 0 Airborne Early Warning (Long Range Air Search/Tracking)
Iris Mk1 Mod 1 (Medium Range Over-The-Horizon Search/Targeting)
Zeus Mk1 Mod 0 (Long Range Over-The-Horizon Search/Tracking)
ASL Mk1 Mod 1 (Short Range/CIWS Air Search/Tracking LIDAR)
G04 Navigation

Fire Control:
Falltech GSWDC Control Bloc (Ship Control)
Falltech "Jupiter" (Area Warfare Coordination)
NG05 Mod 2 (Gunfire Control)
Host arrays for multilink combat systems (such as AEGIS)

EW:
Mk603 Intercept/Jamming Unit
4 x Type 5 MR Chaff/Flare Dispensers
SLQ-25A Nixie torpedo countermeasure
Mk53 SRBOC decoy
Host arrays for ELINT equipment

LIDAR/SONAR:
Mk.1C Multi-Spectrum LIDAR
Mk.2B Underwater LADAR
Opal Eye Underwater Self-Defence LADAR
SS-22(SC) Bow-Mounted SONAR
SS-30C Multi-Line Towed SONAR

Aviation: 3,000m2 Helipad and Hangar, 6 x large helicopters plus 3 UCAVs

Armament:
6 x 6"/64 ETCs (Triple Mounts)
2 x MkVII Ultra Heavyweight Torpedo ASROC Rail Launchers (30 Great White UHTs with AROC boosters)
4 x 144-Cell Mk72 Strategic Dual-Load VLS
2 x 4-cell Mk72 Tactical Single-Load VLS
6 x Oto Melara 76mm/62 Super Rapid ETCs (Dual Mounts)
7 x 25mm BI M/C Cannons
8 x Mk45 CAMDS
4 x Machine Gun Mount
4 x 660mm Torpedo Catapults (16 Torpedoes and 48 depth charges/mines)
6 x 50mm Underwater Supercav Railgun

Armour: 300mm multilayered titanium/vandium/aluminum and ballistic ceramics; interlaced with sensor pads, cooling detergent, and mounted on a honeycomb frame

Design Overview: At its heart, the Sagittaire class CKN is just the Alexander I Larsen class CGN with a few modifications. However, those modifications mean a world of difference in what kind of operations the Sagittaire engages in. The first, and perhaps most important, modification is switching out the 3.2Mw CO2 lasers and two of the six torpedo catapults for two ASROC rail launchers. The weapon of choice for the launchers is the MkVII Great White UHT (1,000mm class) fitted with an ASROC booster able to loft the torpedo 20km in any direction, which means that a Sagittaire in the primary ASW picket can fully support a ship of secondary ASW picket on the opposite side of the formation. The extremely long range of the MkVII torpedo at a low-speed setting means if it splashes down near an enemy submarine, and that submarine is detected, the torpedo could very likely chase down the submarine if the submarine elects to not disengage. The second modification is the substitution of the SS-24A sonar for a scaled-down version of the SS-22(S) sonar mounted in the Gehenna class SDV. The multi-polar mode allows for the primary ASW picket to have only one in three ships actively pinging, which in turn allows the possibility of an enemy submarine trying to pass through a "gap" in the coverage and instead finding a Sagittaire force-feeding it a torpedo.
Scandavian States
20-10-2006, 01:27
[Construction will occur in one flat block and take six years, with a building cost of 504 billion USD per construction year.]