Lagging global growth prospects and increased uncertainty are driving a flight to perceived safety, pushing down Treasury yields.

变慢的全球经济发展前景和增加的不确定性，正在促使经济快速向有安全感的地区转移，使国库券的投资收益减少。

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The January flight was key to reducing risks as the program prepares for autonomous aerial refueling of two Global Hawks in the spring of 2012.

1月飞行测试的关键是减少KQ - X项目风险，为2012年春天进行的两架全球鹰无人机自主空中加油做好准备。

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The Global Hawk system has logged more than 28,500 total program flight hours, of which more than 21,500 hours were flown in support of the global war on terrorism.

全球鹰系统飞行已超过28500小时，其中21500小时是用于支援全球反恐战争。

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Alaska Airlines landed more than nine out of ten flights on-time in February, according to global flight and airport information service provider FlightStats, which tracks the performance of over 150, 000 flights per day from hundreds of airlines worldwide.

FORBES: Alaska Airlines Leads New List Of Best Performing Airlines

American has focused energy on disputing the online distribution of its flight tickets with the Global Distribution System Travelport and its affiliated website Orbitz, and the battle has now landed in court.

FORBES: AMR Narrows Loss, Beats Expectations Despite Higher Fuel Costs

This could look similar to the fall of 2008, when a complete loss of investor confidence and a massive flight to quality brought the global funding markets to a temporary stand-still.

FORBES: Debt Ceiling Ripples Spread To Money Markets, Repos, Volatility