রবিবার, ৫ মে, ২০১৩

Why the Air Force Flies 50-Year-Old Tankers

The cause of the U.S. Air Force KC-135 Stratotanker crash in northern Kyrgyzstan today?and the fate of the crew of three?is unknown at this time. But today?s news is likely to reopen questions over why the United States is dependent on aircraft that were developed in the 1950s to extend the range of its warplanes, and what is being done to replace an aircraft that the Air Force acknowledges uses obsolete parts and aged avionics.

The answers to both questions are troubling. The Pentagon tried to replace its aging fleet of tankers in 2001, but scandal and industrial disputes derailed the effort. Even now, a dozen years later, we?re not even close. The Air Force now has 418 KC-135 tankers in its inventory, but only 178 replacements will be ready to fly in 2028. That means these old birds will be flying for quite some time?until 2040?a fact that forced the Air Force to embark on a recently concluded upgrade to extend the life of the KC-135 fleet.

That effort, which ended in April, added a digital flight director, a radar altimeter, an electronic engine instrument display, and Automatic Flight Control System to the aircraft. None of these safety enhancements were on the KC-135 that crashed this week. But if weather or visibility was a factor, the radar altimeter could have been particularly helpful to provide ground proximity warning.

Here?s what?s at stake. The United States is a powerhouse of power projection?the ability to move people and material across the globe exactly when needed. Every branch of the military uses KC-135s operated (mostly) by National Guard units to extend the range of their aircraft, because fuel is the true limit on an aircraft?s range and ability to stay overhead. Need an A-10 Warthog to stay overhead long enough to support Army units on the ground? Want a B-2 Spirit to take off from Missouri and spook North Korea? Require an MV-22 Osprey to bring Marines far inland without fighting for a beachhead? You need a refueling tanker.

The U.S. has known for years that an aging fleet of tankers could be a weak link in American defense planning. In a 2004 report, the General Accountability Office?noted that its investigators "reviewed the aerial refueling fleet in 1996 and found that KC-135 aircraft were aging and becoming increasingly costly to maintain and operate." At the time, the Air Force had a plan to keep the KC-135s flying until about 2030. But once Congress expressed an interest in the airplanes, the Air Force?s mood shifted from complacency to urgency?it wanted the refuelers in service by 2013.?"The Air Force stated that the urgency was due to growing operating and support costs, declining aircraft availability, and an increasing possibility that a fleet-wide grounding event would prevent continued operation of the KC-135," the GAO report said.

Then, during the 2000s, the wars in Iraq and Afghanistan showed that urgency was founded. Twin wars demonstrated how vital tankers are to an extended fight program, and showed the heavy toll that a fast pace of operations could place on the fleet. Congress backed the tanker replacement program as a no-brainer, but something terrible happened on the way to the flight line?the Washington, D.C., procurement process.

Boeing won the contract for a new tanker, but in 2003 the deal fell apart amid allegations of crooked contracting. One former Air Force official and the Boeing executive who hired her were both given jail sentences. The contract was reopened, closed, reopened, disputed by others in the industry who?d lost the contract, and subjected to General Accountability Office review and political speeches. At the end of the day?and at the end of the decade?the KC-135s were still flying with no replacement in sight. (Amazingly, the Air Force keeps them at about an 80 percent mission readiness level.)

Boeing, the original victor, emerged as the winner of a $35 billion contract for 179 new tankers, called the KC-46. (That amount does not include future maintenance and parts, which could reach $100 billion.) ?"Our number one acquisition priority in Air Mobility Command?and it remains the Air Force?s number one priority?is making sure the KC-46 tanker delivers on time," USAF Gen. Paul Selva, head of AMC said recently. "And on cost."

With luck, the new aircraft will be ready in 2028. That leaves hundreds of KC-135s still in the fleet, serving as the aged backbone of future military operations until 2040. And all the while, the cost to maintain and repair the aircraft rises, not to mention the cost of keeping them safe to fly.

Source: http://www.popularmechanics.com/technology/aviation/military/why-the-air-force-flies-50-year-old-tankers-15427304?src=rss

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শনিবার, ৪ মে, ২০১৩

AlaskaDispatch.com: Global Cooling? Russian Specter of New Cooling Period Alarms Alaskans.

Snow fell on the Anchorage Hillside again Thursday. The National Weather Service was forecasting up to an inch by the end of the day. And for Alaskans wishing for spring, the news just kept getting worse.

"May arrived and most of Alaska's rivers are still locked in ice," the dastardly federal agency reported on its Facebook page. "NWS staff and river observers collect ice thickness data around the first day of each month during the winter. However, except on the North Slope and northwest Alaska, ice is typically gone or unsafe for measurements by the start of May.

"Not so this remarkably backwards spring. Ice thickness and snow on the ice at nearly all measured locations in the central Interior was THICKER than at the start of April. "

Yes, that's right. At a time when Alaska should be starting into spring "breakup" -- when ice and snow give way to the midnight sun -- there isn't even a sign of it.

The ice on the Porcupine River, which joins the Yukon River about 145 miles northeast of the Interior city of Fairbanks, still has ice more than 6-feet thick. It's the state's ....

Read the full story only at Alaska Dispatch.

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Follow AlaskaDispatch.com on Twitter: www.twitter.com/alaskadispatch

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Source: http://www.huffingtonpost.com/alaskadispatchcom/global-cooling-russian-sp_b_3211077.html

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Steelers rookie LB Jarvis Jones settling in

PITTSBURGH (AP) ? Jarvis Jones is not James Harrison. For one thing, there's the hair.

The rookie Pittsburgh Steelers outside linebacker has long dreadlocks that appear under his helmet and skitter across his name when he sprints into the backfield.

There's the body, too. The 6-foot-2, 245-pound Jones is taller, leaner and wispier than the 2008 NFL Defensive Player of the Year who was cut by the Steelers in a salary cap move in March.

Then there's the demeanor. Where Harrison was all snarl, the 23-year-old Jones is Southern charm.

Yet Jones understands he is the heir apparent. The Steelers tend not to take risks with first-round draft picks. The comparisons are inevitable after they chose the speedy Georgia kid, who led the NCAA in sacks last fall, with the 17th selection. The draft came just six weeks after releasing the productive but aging Harrison.

"I don't compare myself in no way to James Harrison," Jones said. "He's a great player. Respect him. Never met him. But I love his game. I wouldn't mind being an impact player like James Harrison."

Neither would the Steelers.

Pittsburgh led the NFL in fewest yards allowed in 2012 but failed to produce the kind of splash plays ? namely sacks and turnovers ? that have helped make the franchise perennial Super Bowl contenders. Injuries to Harrison, outside linebacker LaMarr Woodley and safety Troy Polamalu forced the Steelers to play solid but safe. Pittsburgh finished tied for 15th with 37 sacks and 24th in takeaways with 20.

Jones could bring back some of the menace. He set a Georgia record with 14.5 sacks in 2012, his ability to wreak havoc in opposing backfields from the edge had him projected as a potential Top 5 picks.

Instead, concerns about Jones' neck ? diagnosed with a narrowing of the spinal column early in his collegiate career ? and his speed after running a sluggish 40-yard-dash sent him tumbling to the Steelers in the middle of the first round.

Not that it bothered Jones. There are worse place to land than a team that forged its identity and won six Super Bowl titles on the backbone of a 3-4 defense which has served as the NFL's gold standard for most of the last 40 years.

Besides, as Jones pointed out on Friday "at the end of the day those guys are picking early for a reason. I landed right where I want to be."

Even if Jones is not the starter, at least not yet. Jason Worilds, who finished second on the team with five sacks, is atop the depth chart and coach Mike Tomlin isn't quite ready to anoint Jones.

"He's going to be a rookie and he'll go through the same thing rookies go through," Tomlin said. "We're not going to take anything for granted in terms of his growth and development."

Defensive coordinator Dick LeBeau's complex playbook can make it difficult for first-year players to find playing time. There will be plenty of studying before training camp opens in July. Jones hardly appears overcome by the sudden thrust from NFL prospect to NFL player.

Asked to describe LeBeau, Jones just smiled and called the Hall-of-Famer "chill."

Then again, it's early. The Steelers might not be rebuilding but they are regrouping after an 8-8 season. Jones will get a chance to prove he belongs. In a way, he already does. In the hours after hearing his name called by NFL commissioner Roger Goodell, Jones received congratulatory phone calls and texts from Woodley, Polamalu and Ben Roethlisberger.

"I can't wait to get in the locker room with those guys and just learn from those guys," he said. "It's definitely a blessing to be on the field with those guys."

The Steelers might talk about having Jones take his time and learn the system, but in today's NFL, first-round picks aren't supposed to wait their turn, particularly if it's a position where there's a significant need.

Jones impressed Tomlin and general manager Kevin Colbert with his maturity. He'll need to lean on it to fit into an organization that's still knee-deep in veterans. As Tomlin likes to say, "the standard is the standard" regardless if it's Harrison out there or Jones. That's fine by the kid in the 95 jersey.

"They're about winning," Jones said. "They're about playing hard-nosed defense and they're about playing down after down. I see it and I know what it means."

___

Follow Will Graves at www.twitter.com/WillGravesAP

Source: http://news.yahoo.com/steelers-rookie-lb-jarvis-jones-settling-195339720.html

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Shaolin Warrior Stunts Are Even Crazier In Slo-Mo

If you live in a fairly well-populated city you've probably been visited by one of those Shaolin Warrior traveling shows. But the next time they roll through your town you should save your money and instead queue up this fantastic high-speed footage of their incredible acrobatics as captured by BBC Earth Productions.

It goes without saying that you probably shouldn't try any of these stunts at home. Unless you're also a genuine Shaolin Warrior with access to a high-speed camera. Then by all means go ahead and please share your awesome footage in the discussion below.

Source: http://gizmodo.com/shaolin-warrior-stunts-are-even-crazier-in-slo-mo-486995684

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শুক্রবার, ৩ মে, ২০১৩

This Lego Recreation of Fallingwater Is Your Deal of the Day

When Frank Lloyd Wright's Fallingwater was completed in 1937, it was both an artistic accomplishment and a marvel of engineering. The residence's design?set above a waterfall?is meant to evoke harmony between house and nature, and it achieves that through cantilevered floors supported by reinforced concrete, a technology that was relatively new at the time. The design was so daring that Fallingwater's engineer actually had a support wall put in?and Wright subsequently took a layer of bricks out to prove his original design was sound. This Lego recreation leaves the bricks in.

Read more...

    


Source: http://feeds.gawker.com/~r/gizmodo/full/~3/cDZ5715Xi04/this-lego-recreation-of-fallingwater-is-your-deal-of-th-489434605

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Airline investigates after jets clip at NJ airport

NEWARK, N.J. (AP) ? An airline whose plane clipped another plane on a taxiway at Newark Liberty International Airport and lost part of a wing said Thursday it has started an investigation into how it happened.

The Scandinavian Airlines plane's left wing clipped the tail of a United Airlines plane on Wednesday night as they were preparing for takeoff at one of the nation's busiest airports. No one was injured, the Federal Aviation Administration said.

Scandinavian Airlines Flight 908, bound for Oslo, Norway, was behind ExpressJet Flight 4226, destined for Nashville, Tenn., and was turning right to enter another taxiway when it touched the ExpressJet plane, officials said. Photos and video from the scene showed a significant portion of the left wing jaggedly torn off.

Scandinavian Airlines said its plane's left winglet, an upturned part at the end of the wing that helps minimize drag and reduce fuel consumption, was damaged and was being removed. It said the aircraft can fly without winglets, which are designed to improve flying efficiency.

The ExpressJet plane was towed back to the gate, and the Scandinavian Airlines plane taxied back to the gate, where passengers disembarked, New York's WNBC-TV reported. Other flight accommodations were made so the passengers, 31 on the ExpressJet and more than 70 on the Scandinavian Airlines jet, could get to their destinations.

Scandinavian Airlines, which is known as SAS and has hubs in Norway, Sweden and Denmark, said Thursday it wouldn't speculate on the cause of the accident.

U.S. authorities also were investigating. ExpressJet Airlines said it was "working in coordination with officials to determine a cause."

ExpressJet, which bills itself as the world's largest regional airline, operates as a United Express partner from United's Newark hub. United, which has headquarters in Chicago, is part of United Continental Holdings Inc.

Source: http://news.yahoo.com/airline-investigates-jets-clip-nj-airport-201710058.html

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Moshimo And Leo Star In 'The Matrix: As Retold By Some Guy's Mom'

YouTube user pixelspersecond decided to show his mother "The Matrix" because she had never seen it. After they had watched it together—she had closed her eyes during the violent and scary parts—he asked her to recount what she had just seen and then animated it. The result is a bizarre and spotty retelling of the [...]

Source: http://moviesblog.mtv.com/2013/05/02/matrix-retold-by-mom/

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