The aircraft is displayed under cover in the USAF Gallery.

【cover】这架飞机在美国空军陈列室内展出。

Anyway, the USAF announced that they could not follow up on all 400 of the reported UFO sightings.

有读到过具体的报道。无论如何，美国空军宣布他们无法对所有400起报告的不明飞行物目击事件行跟调查。

The United States Air Force (USAF) is re-engining its B-52 fleet through the Commercial Engine Re-engining Program (CERP).

美国空军 (USAF) 正在通过商业发动机重新设计计划 (CERP) 重新设计其 B-52 机队。

The B-52, often known as the Stratofortress or the Buff (Big Ugly Fat Fellow), is the USAF's long-range, large-payload multirole bomber.

B-52，通为“Stratofortress” 或“Buff” （丑陋的大胖子），是美国空军的远程、大有效载荷多用途轰炸机。

Responsible for seeing the  project to completion for the United States Air Force (USAF), Boeing recently reported  further losses on this fixed-cost contract.

负责帮助美国空军 (USAF) 完成该项目的波音公司最近报告，该固定成本合同出现了一步损失。

The USAF issued bid invitations for these requirements on February 13, 1946, with Boeing, Consolidated Aircraft, and Glenn L. Martin Company submitting offers.

美国空军于 1946 年 2 月 13 日针对这些要求发出招标邀请，波音公司、联合飞机公司和格伦·马丁公司提交了报价。