Mr Rutan expects Scaled Composites to build 40-50 launch aircraft.

鲁坦先生计划在复合比例建造40到50艘航天发射器。

youdao

On that type of aircraft carrier a catapult was used to help launch aircraft.

在那种航空母舰上，飞机由弹射器发射。

youdao

Each can carry more than 80 aircraft and simultaneously launch and land several each minute.

每艘航母能搭载多达80架战斗机，几分钟内能够同时起飞和降落多架飞机。

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Authorities say they quickly killed two of the gunmen, but two others continued to fire machine guns in the extended battle in Pul-i-Alam, Witnesses say U.S.military helicopters were part of the response force, and one aircraft fired a rocket into a multi-story building which the insurgents had seized, used to launch their attack and had rigged with explosives.

VOA: standard.2009.08.10

Honeywell has been negotiating for months with European jet maker Airbus to launch aircraft tests.

WSJ: Honeywell Tests Autopilots for the Tarmac

One problem was that the rocket used as a booster (a type known as Pegasus, that is designed to be used as a satellite launcher) is usually dropped from its launch aircraft at an altitude of 12, 200 metres.

ECONOMIST: Hypersonic aviation

Coast Guard watchstanders then coordinated the launch of aircraft from Florida to search for the distressed vessel.

FORBES: Rogue Wave Capsizes Trans-Atlantic Ocean Rowers