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Toby Melville / Reuters

A souvenir shop displays a face mask of Britain's Prince Harry on Aug. 24 in London, just days after naked photos of him partying in Las Vegas were published.

It’s the naked truth: Prince Harry of England’s recent clothing-optional romp in Las Vegas is bringing out the impudence in tourism promoters who are capitalizing on the worldwide interest in the incident with a new ad campaign.

“Keep Calm and Carry On Harry,” blares one ad, which riffs off the classic British stiff-upper-lip motto from World War II: “Keep Calm and Carry On.” The ad, plus another Victorian-flavored piece that blasts those who made the pictures of a naked Prince Harry public for breaking the code of “what happens in Vegas, stays in Vegas,” are the creation of the Las Vegas Convention and Visitors Authority.

Courtesy of Las Vegas Visitors and Convention Authority

This Vegas ad aims to capitalize on Prince Harry's recent, er, exposure.

Prince Harry, for those who've been living in a cave, was photographed repeatedly in the buff save a necklace during a spirited game of strip billiards at a Wynn resort. Several equally clothing-challenged women appear in some of the pictures. The 27-year-old prince and soldier is third in line to the British throne.

“Las Vegas is a place to celebrate adult freedom, freedom that even celebrities and royals can enjoy,” said Cathy Tull, senior vice president of marketing for the Convention and Visitors Authority. “For everyone’s sake, it’s important that what happens in Vegas, stays in Vegas. However, in moments of enthusiasm, actually keeping memories in Las Vegas takes commitment. (The) ad was a cheeky reminder to all our visitors that it’s important to know the code, and most importantly, protect the code.”

You can count Anthony Curtis, publisher of the Las Vegas Advisor, as one person amused by the ads.

“It’s pretty funny,” Curtis said. “They’ve done a very, very good job of positioning this town with these (ads) … Certainly saw someone saw an opportunity here and grabbed it.

“It hit the mark.”

The ads do capture the spirit of the town as a place where secrets should be kept, he said. “You can get away with things here because it’s accepted,” Curtis said. “People give you a hall pass. You can go to Vegas and get crazy for a couple of days and then and go home. People need to do that -- blow off steam.”

Curtis is not surprised to hear that Internet searches on terms like “Las Vegas hotels” are up following the Prince Harry romp, according to the visitors authority. Talk about a lot of free publicity.

But whether or not it continues is another thing, Curtis said. Most in Las Vegas aren’t really talking about Prince Harry anymore, he says. “The big thing here now is that room rates are still low,” he said. “And Caesars Palace has a new buffet. It’s been about a one-and-a-half years since anything big opened. And everybody's excited about that. These (incidents) happen here and we move on.”

Last night several members of the royal family were present at the Paralympic Games with the notable exception of Prince Harry, who is laying low at Balmoral in Scotland, preparing for next week's first appearance since the scandal broke.

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FRANKFURT, Germany -- A strike by cabin crew at German airline Lufthansa disrupted hundreds of flights on Friday, leading to long lines of stranded passengers at Germany's biggest airport.

Officials from Lufthansa told NBC News that they were forced to cancel a large share of the airline's 360 flights scheduled for the first half of the day to and from Frankfurt.

The industrial action affected mostly domestic and inner-European connections, but Lufthansa also cancelled flights from Boston, Philadelphia and Atlanta to Frankfurt, the airline said.

Thousands of people are estimated to be stuck or delayed at the Frankfurt airport, according to Reuters.

Frankfurt Airport operator Fraport briefly asked for no flights to depart from European destinations to Frankfurt as a result of the strike.

"Because we were anticipating a problem with aircraft parking positions at our airport, we temporarily -- for about 20 to 30 minutes -- asked other German and European airports to discontinue take-offs of inbound flights to Frankfurt," a Fraport spokesman told NBC News.

"This does and did not affect any transcontinental flights or any aircrafts that are presently in the air," the spokesman added.

Union threatens to extend strike
Among the demands of the UFO union, which represents about two-thirds of Lufthansa's 19,000 cabin crew members, was a 5 percent pay increase and a guarantee that the airline would not outsource jobs. Lufthansa has said it is offering a 3.5 percent raise.

The union called the strike after 13 months of negotiations for higher pay and guarantees on conditions failed to produce an agreement.

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While Lufthansa officials stressed that they wanted to return to the negotiating table as soon as possible, union representatives say that the strike could continue for a long time.

But UFO union head Nicoley Baublies said on Bayerischer Rundfunk radio that the Frankfurt strike may just be the beginning if Lufthansa does not meet its demands.

"It depends on how Lufthansa responds now and how much they try to break the strike and put our people under pressure," UFO union head Nicoley Baublies said on Bayerischer Rundfunk radio, according to The Associated Press. He said the union would decide Friday whether to stage similar strikes again Saturday and whether to expand them to other airports.

More Europe News coverage on NBCNews.com

"That's always possible and we will announce it with six hours' notice," Baublies said.

Lufthansa said it would try to place passengers on trains and alternative flights.

"The call to strike action forces Lufthansa to cancel a majority of flights from and to Frankfurt," Lufthansa said in a message to passengers on its website.

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"Subject to cancellation are mostly short- and medium-haul flights. Nevertheless, a small number of long-haul flights will have to be cancelled as well even though they have utmost priority and, wherever possible, shall operate. In general, delays must be anticipated throughout the day," it said.

Costly work stoppage
Like most global airlines, Lufthansa is battling soaring fuel prices, weak demand from cash-strapped passengers and economic slowdown, as well as fierce competition from low-cost carriers such as Ryanair.

Complete World News coverage on NBCNews.com

Lufthansa, which operates around 1,850 flights daily, mostly from Frankfurt and Munich, also needs to generate more profit to pay for $21.3 billion of new aircraft on order, according to Reuters.

If the stoppages affect the airline's wider European and global network and could cost it millions of dollars a day in lost revenue. 

The Associated Press and Reuters contributed to this report.

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ST. LOUIS — More than 200 Trans World Airlines flight attendants are about to go back to work, nearly 11 years after the Sept. 11, 2001, terrorist attacks that caused an airline industry slowdown and cost tens of thousands of jobs.

The recall of 211 workers announced Thursday means that for the first time since 9/11, there won't be a single former TWA attendant on furlough. The recall is effective Nov. 17.

American Airlines bought St. Louis-based TWA just months before the hijackings. In the subsequent downturn, American slashed 2,500 jobs and TWA attendants, who had lost their seniority in the takeover, were the first to be cut.

"This has always been about fairness for these workers and I'm thrilled that they'll now have the opportunity to return to their jobs," said Sen. Claire McCaskill, D-Mo., who helped broker the deal.

Fort Worth, Texas-based American Airlines is rebuilding itself under bankruptcy protection and has offered buyouts to hundreds of flight attendants and other employees. Spokesman Bruce Hicks said the recall of former TWA attendants would "ensure we remain adequately staffed throughout this process."

"We welcome our flight attendants back to service and recognize they play an integral role in providing an outstanding onboard experience for our customers," Hicks said.

Recall rights for the flight attendants on furlough were originally guaranteed only through 2008, but American Airlines agreed to extend the recall rights after pressure from McCaskill and other lawmakers.

Former TWA flight attendant Roger Graham, who spearheaded the effort to extend recall rights, said the layoffs were difficult for some former attendants, many of whom struggled to find decent-paying jobs.

"It was a struggle for everybody," said Graham, who got his job back last year. "It was very difficult to find a comparable job as far as pay goes. A lot of people lost their homes."

Among those who struggled was Ron Hale, 49, of St. Louis, who said he worked as a personal assistant, propane technician and in other jobs since he was laid off in 2002. He's anxious to get back on the plane.

"It's a good feeling," Hale said.

AP Photo/Courtesy of Jean Akana-Lewis

In this 1992 photo provided by his family, Ron Akana poses in an airplane with his wife Betsy and his daughter Jean Akana-Lewis.

In 63 years, Ron Akana has seen it all—from 35,000 feet in the air, that is.

The 83-year-old United Airlines flight attendant will appear in the Guinness World Records book in October for having the "longest career as a flight attendant" in the world.

Akana, now a Boulder, Colo. resident, finished up his final route last weekend on a United Airlines flight from Denver to Kauai, The Associated Press reported.

"I wasn't expecting this much attention," he told the AP on Tuesday.

His airborne days started in 1949, when he was a student at the University of Hawaii and his friends saw a newspaper ad. 

"We didn't even know what a flight steward was," he told the AP. "But it meant getting to the mainland, which was a huge deal in those days."

He became one of United's first male flight attendants: "We just liked working with girls," he told the AP.

AP Photo/Courtesy of Jean Akana-Lewis

In this 1957 photo provided by his family, Ron Akana, third from right, poses with his United Airlines crewmates in new flight attendant uniforms. Also pictured from left to right is Matt Ah Chong, Clem Keliikipi, Timmy Pang, Eddie Takahashi and Roy Miyose.

With the exception of two years away to serve in the Korean War, Akana has been in the skies ever since.

In over six decades, he has seen the transformation of air travel. He saw meal service improve, the start of in-flight movies, passengers go from dressing up to dressing down, smoking become a federal offense and tighter security in the post-9/11 world.

After being offered a buyout, he is retiring, the AP reported.

"It was a job that started to grow on a person. I always flew with new personalities," Akana told Boulder's Daily Camera. "I know I'll miss it, but the time has come. Aching bones and joints."

But his frequent flier days are far from over: In his retirement, Akana plans to travel frequently with his wife, the Daily Camera reported.

"I got terrific travel privileges," he told the AP, adding: "There's a lot to be seen."

Akana will miss the passengers and fellow crew members the most: "It's the people I worked with," he told the Daily Camera. "They always had interesting experiences that we all became part of."

"We are grateful for Ron’s many years of service and wish him well in his retirement," said United spokesperson Charles Hobart, in a written statement.

The Associated Press contributed to this report.

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