"The future challenge for the U.S. military, in broad terms, is maintaining a global reach with declining numbers of Navy ships and land forces. Growing expenses and fixed budgets make it more difficult to maintain large forces in the right places to deter aggression.
“I can’t conceive of a future where we would replicate Cold War forces in Europe,” said Deputy Secretary of Defense Robert Work, one of the weapon’s chief boosters. “But I could conceive of a set of railguns that would be inexpensive but would have enormous deterrent value. They would have value against airplanes, missiles, tanks, almost anything.”
Inside the test bunker at Dahlgren, military officials turned to the video monitor showing the rectangular railgun barrel. Engineer Tom Boucher, program manager for the railgun in the Office of Naval Research, explained: “We are watching the system charge. We are taking power from the grid.”
Wires splay out the back of the railgun, which requires a power plant that generates 25 megawatts—enough electricity to power 18,750 homes.
The siren blared again, and the weapon fired. The video replay was slowed so officials could see aluminum shavings ignite in a fireball and the projectile emerge from its protective shell."
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