Tank

Short story about a much needed breakthrough. If the scientists didn't get this right, they would lose the war. And losing meant death for all of humanity. The enemy didn't want to conquer; they wanted to annihilate. Welcome to the 32nd century. Humanity had already spread to the stars, but this new competitor wanted to disinfect every human planet.

Could you take the pressure? Could you come up with a solution to save all of humanity?