Engineers on the ground designed a way the astronauts could connect air-cleaning devices from the command module to the air system in the lunar module.

VOA: special.2009.07.22

Now I didn't use--no hands-- that was just the notes that are naturally on the twelve and a half-foot length of vibrating air.

我没有用手控制,都是十二个半英尺高的震动空气柱,自然产生的音符

耶鲁公开课 - 聆听音乐课程节选

His S-38 amphibian flew through the air and then landed on water.

VOA: special.2010.09.10

Donald Slayton, another Air Force flier, worked on the long-range Atlas Rocket.

VOA: special.2009.06.10

Japan has deployed land-to-air missile interceptors in case any debris threatens to fall on this country.

VOA: standard.2009.04.03

It involves moving thousands of U.S.forces stationed on Okinawa, building a new air base and re-locating some of the troops to Guam, among other aspects.

VOA: standard.2009.10.18

The incident raised fears of another war. In 2006,a deadly cross-border raid by Hezbollah guerrillas sparked a 34-day Israeli air and ground assault on Lebanon.

VOA: standard.2010.08.05

The cast also features Don Cheadle as Air Force colonel "Rhodey" Rhodes - taking on the role played by Terence Howard in the first film.

VOA: standard.2010.05.19

The researchers suspect that the newborn c-section babies might be picking up their generic bacteria mix from the air - one way bacteria gets on our skin.

VOA: standard.2010.06.30

So why spend all the money on it?," TV Marti transmits over-the-air signals from an aircraft, the Aero Marti,two satellites, and the Internet to get programming into Cuba.

VOA: standard.2009.06.18

A military official tells VOA the Chairman of the Joint Chiefs of Staff, Admiral Mike Mullen, traveled to Germany Friday for an unannounced half-day meeting on a U.S.Air Base with the Afghanistan commander, General Stanley McChrystal.

VOA: standard.2009.09.25

In addition,the U.S.Air Force conducted its first airdrop of supplies on Monday, north of Port-au-Prince, using an aircraft that flew from the United States and returned there after the drop, easing pressure on the Port-au-Prince airport.

VOA: standard.2010.01.19

That force is scheduled to be reduced from nearly by next October,and to zero by the end of 2011, although Secretary Gates said Friday there could be a follow-on agreement for some U.S.troops to stay, particularly elements of the Air Force.

VOA: standard.2009.12.12

The most recent threat nearly got away. The 30-year-old Pakistani American was on board this flight, bound for Dubai when pilots heard this from Air Traffic Control: Federal agents stopped the flight and removed Shahzad, who managed to board the airplane despite being placed on a "no-fly" list hours before.

VOA: standard.2010.05.06

strategic objective." The defense secretary has given several hints of his views on the way forward in Afghanistan, including a speech earlier Monday in which he cautioned against an over-reliance on air power and high technology, which some officials believe should be used more in Afghanistan, instead of the additional troops the U.S.and NATO commander there wants.

VOA: standard.2009.10.06