An air force spokesman, P. r. Singha, says the trials will be conducted in different stages over one year.

空军发言人辛加说，这次试飞活动将在一年内分阶段进行。

youdao

Once, when I was in Air Force R.

NEWYORKER: Battleground America

Among the signatories of the letter were scores of retired flag officers who previously served in the United States Army, Navy, Air Force, and Marine Corps, as well as R.

CENTERFORSECURITYPOLICY: Center For Security Policy

Gov. Tom Ridge, R-Pennsylvania, and his family traveled Thursday with the president to Maine aboard Air Force One.

CNN: President Bush celebrates his birthday with a round of golf