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A 36-foot British drone gunboat trades a towed sonar array for a strike package on the same deck in minutes, tops out at 50 knots on two diesels, runs 1,000 nautical miles at 30 and stays out a month, and an American company is setting up to build it on US soil
Two heat exchangers 74 feet tall and 470 tons each had to go into an Ohio reactor building with no door big enough for them, so crews cut a hole through the shield building and the steel containment, slid the old pair out and the new pair in, and welded the wall shut behind them
A 42-foot nuclear pressure tank weighing 93 tons opens through a single 16-inch hatch, so when 30 heaters melted inside it and dripped copper onto the floor, the Swedish crew built a full-size copy to practice on, dropped tools down 39 feet on poles and sent a robot in to vacuum
While the White House has asked Congress for $152 million to reopen Alcatraz as a prison, 959 solar panels sit on the cellhouse roof tilted five degrees so they stay below the parapet, and the island that once took 2,000 gallons of diesel a week by boat now ships about 75 percent less