Word: costes
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...cruise missiles, giving every destroyer, cruiser and attack submarine the ability to destroy targets well beyond the reach of carrier-based planes--without risking pilots. Distributing that firepower across 120 warships instead of concentrating it on America's 11 carriers makes sense. Then there's the huge built-in cost of carriers. Much of a carrier group's firepower--accompanying ships and subs and the airplanes on its deck--is dedicated to protecting the flattop itself. "We need to move from a Navy of a few large carriers to a Navy of many smaller ships," says John Arquilla, a professor...
...recent Pentagon-funded reports have questioned the Navy's carrier-centric strategy. The vessel's huge cost and half-century life span give potential foes like China a "static target" to threaten, a 2007 report said. A smarter option, the study suggests, is to build a Navy of many smaller and simpler ships, which would complicate enemy targeting and give U.S. commanders better intelligence. Nonetheless, the Navy has just begun spending $11 billion to design and build the first in a new class of carriers, the U.S.S. Gerald R. Ford, scheduled to join the fleet...
That's the idea, anyway. In fact, there are serious questions about the FCS. Only two of its 44 key technologies are mature enough to generate reliable cost estimates, according to the Government Accountability Office. The Army has so far spent $18 billion trying to get the FCS to work and plans on spending $21 billion more before it gets a formal green light for production in 2013, when key performance tests still will not have been done. And the FCS's vaunted mobility has already been scrapped; the Army has abandoned plans to transport all those vehicles...
...factors of mate choice are proximity and timing. We choose from those around us, generally two to five years after we finish our education. But at least one of those pillars is eroding. Online dating has meant that our pool of potential mates is much bigger. The opportunity cost of giving up on a potential suitor is lower. And it's more work to find the wheat in all that chaff...
...here's better news: eating green is good for you. The very foods with a high carbon cost--red meat, pork, dairy products, processed snacks--also tend to be laden with fat and calories. A green diet would comprise mostly vegetables and fruits, whole grains, fish and lean meats like chicken--a diet that's eco- and waistline friendly. "[Eating green] can make a big difference for the climate and be more healthy," says Doug Gurian-Sherman, senior scientist for the food and environment program at the Union of Concerned Scientists. (Read more on TIME's Wellness blog...