Set in the year SE 3256, the player is thrust into mankind's first interplanetary war between the Earth Alliance and the Ares Confederation. As the promising captain of the experimental dreadnought prototype, codenamed Sierra. Your sole objective is to help turn the tides of the war, utilizing the ship's advanced combat systems, flexible energy allocation and optimized platform deployment capabilities. To the captain, the core principles of prudence, guile, resource management and patience are essential to survival. The technology incorporated in Sierra allows it to explore multiple paths to victory: evade and assault enemy ships in classic broadside warfare; research armaments and upgrades to outgun the enemy fleet; or outnumber them with remotely-controlled weapon platforms. Rout the enemy’s armada in order to quell the rebellion and save Earth from the corrupt colonials.

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Operation SD: Space Defense Rebuild August Update

Operation SD: Space Defense Rebuild August Update

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We have finally opened our website where updated content will be posted two to five times a week. If you wish to track our detailed progress, simply visit...

Operation SD: Space Defense Rebuild Progress

Operation SD: Space Defense Rebuild Progress

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"Sierra Ops" is the new title of our old release, Operation SD: Space Defense. It will contain new features such as discussion and briefing cut scenes...

Operation SD: Space Defense Released on Desura

Operation SD: Space Defense Released on Desura

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Thrust into mankind's first interplanetary war between the Earth Alliance and the Ares Confederation.

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Operation SD: Space Defense
Platforms
Windows
Developer & Publisher
InnoMen Productions
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Custom
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Innomenpro.com
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