- Primary Subject: Sea Power: Naval Combat in the Missile Age, v0.9.0 (Royal Navy & Argentina Update)
- Key Update: A free update adds the Royal Navy and Argentina as factions, with a 1982 South Atlantic campaign for each side.
- Status: Confirmed
- Last Verified: November 12, 2026
- Quick Answer: Sea Power v0.9.0, a free update released November 11, 2026, adds the Royal Navy, Argentina, and two 1982 campaigns, one for each side.
Sea Power: Naval Combat in the Missile Age just got its biggest update yet.
Version 0.9.0, the Royal Navy & Argentina Update, went live on Steam on November 11, 2026, adding both navies as factions and two campaigns set during the 1982 South Atlantic conflict.
It is free to all owners of the game, which remains in Early Access under developer Triassic Games and publisher MicroProse.
Triassic first showed Royal Navy units in December 2025 with a Q2 2026 target, then delayed the faction several times so it could ship with a complete Argentine force and a campaign for each side. The finished package adds more than 80 new assets.
Two Campaigns Let Players Fight the 1982 War From Either Side
Falklands War 1982 puts the player in charge of the British Task Force sent to retake the islands. It sticks to history, with room to decide how certain situations play out.
Guerra de Malvinas 1982 hands over the Argentine Navy and Air Force with orders to hold the islands against that same Task Force.
Triassic calls the Argentine campaign a "what if" that departs from history, with several possible outcomes depending on how the player performs.
Both run as linked-mission campaigns in Task Force Mode, and forces carry over from one mission to the next. Triassic says the two sides are closely matched and that "losses should be expected and careful tactics are required."
New systems include multiple task forces with reserves, timed repairs in port, and persistent aircraft inventories at airbases.
Reinforcements can arrive on the historical schedule or be bought with points, and Argentina's stock of air-launched Exocets can be set to historical or unlimited.
The Royal Navy Sails In With HMS Hermes at the Head of the Fleet
HMS Hermes and the Invincible class lead a surface fleet of County-class destroyers in three configurations, Type 42 destroyers including HMS Sheffield, the one-off Type 82 HMS Bristol, and Type 21, Type 22, Leander, and Rothesay frigates.
Fearless and Round Table landing ships and the ferries Norland and Norstar handle the amphibious work, while Oberon, Porpoise, Churchill, Valiant, Swiftsure, and Trafalgar boats cover the submarine force.
The Sea Harrier FRS.1 heads the air wing, backed by Harrier GR.3s, the Vulcan B.2, Victor tankers, Nimrod patrol aircraft, and a spread of Lynx, Sea King, Wessex, and Wasp helicopters.
Argentina Brings the General Belgrano and Its Super Étendards
Argentina's fleet is built around the carrier ARA Veinticinco de Mayo and the cruisers ARA General Belgrano and ARA Nueve de Julio.
Hércules-class Type 42 destroyers, FRAM II destroyers, and Drummond-class corvettes make up the escort force, with the Santa Fe and Salta-class Type 209 boats under the surface.
The air arm covers three Skyhawk variants, the Mirage IIIEA, Dagger A, Super Étendard, Pucará, and Canberra, plus Boeing 707s flying maritime patrol.
Ashore, Argentina gets a coastal Exocet battery, Skyguard radar, and airstrips at Goose Green and Pebble Island. The MM38 Exocet equips both navies, and Triassic warns that once fired, the missile is "almost impossible to intercept."
Five Standalone Scenarios Run From the Persian Gulf to Norway
Hunt for Belgrano puts the player aboard HMS Conqueror stalking the cruiser, and Breaking Contact flips it so the Belgrano has to reach coastal waters with a British submarine on her tail.
Operation Black Buck 1 recreates the Vulcan raid on Stanley airfield, built around coordinating twelve supporting tankers. Two fall outside 1982.
Armilla Patrol (1980) has HMS Cardiff and HMS Alacrity guarding a British merchant ship from Iranian attacks, and Battleaxe Off Bergen (1985) sends HMS Battleaxe and HMS Euryalus to screen a convoy into Norway.
Weapons Can Now Fail to Launch or Fail to Explode
Launches can now fail outright, warheads can fail to detonate, and launchers eject failed rounds overboard.
Close-in weapon systems resolve shots with ballistics instead of flat hit rolls, and the minimum range on most air-to-air missiles has been cut sharply.
Torpedoes gain a fan aim tool with adjustable spread, and an optional D3D12 renderer is available through the -force-d3d12 launch option.
A New 3D Globe Corrects Distances at High Latitudes
The new map system, in public beta since October 26, uses a Lambert Conformal Conic projection that fixes distance errors far from the equator, which matters at South Atlantic ranges.
Scenarios can now cross the poles and the International Date Line; the globe shows a visible day and night boundary, and play areas stretch up to 5,000 nautical miles per side.
Rolling Replay Lets Players Rewind the Last 30 Minutes
An experimental replay system, off by default, lets players rewind and spectate up to 30 minutes of action with keyframed cameras.
It was built by Barnaby, known in the community as malfboi, the creator of the Sea Power Multiplayer Mod, who has joined Triassic as a software developer. He also built the Mission Editor's new support for multiple configurable sides.
The Dynamic Campaign Is Still on the Way
The new campaigns are separate from the Dynamic Campaign, which Triassic says remains a future development.
The studio's June 2026 development report put its first phase at the end of 2026, and the Steam store FAQ still targets a 1.0 release in Q4 2026.
Triassic also plans earlier and later Royal Navy units for future content drops, and says a full campaign editor will come later.
Sea Power v0.9.0 is available now as a free update on Steam for Windows.
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