Their troubles began in the 1950s when they started flying higher and needed to pressurise the cabins of their passenger planes.
By flying higher and lighter, they can last seven years, compared with five years for Iridium (with the first year al-ready gone).
Wasif Latif, vice president of equity investments at USAA, still believes in stocks, and thinks that a big liquidity-driven rally based on central bank action later this week could send lower-quality companies flying higher.
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The second drone, an insect-like quadrotor called Parc, is designed for higher flying missions thanks to its larger size and maximum 1, 000-foot altitude.
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He said the preceding manoeuvre was probably the highest and most sustained of the day in terms of G-force but said flying at a higher altitude "may not have made a difference".
Military surveillance aircraft scoured the battlefield -- from the lowest-flying aircraft such as the Army's Hunter and the Marines' Pioneer, to the Predator, to the higher-flying Global Hawk and U-2 -- and on up to the information-gathering satellites.
Added recently are a high-flying zip-line and an even higher wind turbine, both of which remain open year-round (weather dependent).
Meanwhile, airlines are flying low on the charts because of sharply higher fuels costs.
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If they are going to pay for it, they want higher education to guarantee them a flying start in the job market.
"There is simply no way in a private sector industry that you can sit back and follow a policy which British Airways has been doing for the past several years - flying smaller airplanes, carrying fewer passengers and charging them higher fares, " he said.
Having gotten off to a flying start, the Stoos network is now setting its goals higher.
But more red tape and higher taxes, if unchecked, risk clipping the wings of Britain's high-flying firms.
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