The U. S. Air Force also will operate an F-35 variant, the a model, a conventional takeoff-and-landing fighter.

美国空军也将经营新的F - 35的变种A型，一种传统的起飞和着陆战斗机。

youdao

The Do Something Amazing website features unique behind-the-scenes footage and interactive features from the U. S. Air Force.

成就伟业的网站功能独特的幕后的片段，并从美国空军的互动功能。

youdao

Over the last five years, Boeing, the U. S. Air Force and Navy, Honeywell UOP and others have systematically tested and advanced the alternative fuel.

在过去的五年里，波音公司，美空军、海军，霍尼韦尔环球石油公司等都已经系统性的测试并完善了这些新能源。

youdao

The F-35 will be used by the U.S.Air Force and also by the Navy to fly off of aircraft carriers.

VOA: standard.2009.07.21

U.S.military helicopters deployed in military exercises in the southern Philippines assisted the Philippine Air Force and Navy in the search and rescue operations.

VOA: standard.2009.09.06

A U.S.Air Force spokesman described the maneuvers of pilots aboard its F-15e Strike Eagle.

VOA: standard.2009.11.15

When the American Century ended barely a decade ago, the U.S. Air Force was flying high.

FORBES: Air Force Positions For Resurgence In Pacific Era

Ironically, the U.S. Air Force is in a similar procurement fight with American aircraft manufacturer Beechcraft.

FORBES: Sorry Congress, Defense Dept Sticking With Russian Helicopter Deal

Imagine the U.S. Air Force Special Ops in dog fights with Chinese and Russian air forces.

FORBES: Thank Goodness Air Force Dropped iPad Purchase