The Boeing X-37, also known as the Orbital Test Vehicle (OTV), is a reusable robotic spacecraft. It is boosted into space by a launch vehicle, re-enters Earth's atmosphere, and lands as a spaceplane.

X-37B空天战斗机（英文：X-37B Space Plane，又称：X-37B Orbital Test Vehicle，缩写：OTV，又译为：轨道试验飞行器），是美国波音公司研制的无人且可重复使用的太空飞机。

3 天之前 · The Boeing-built X-37B is an uncrewed, autonomous spaceplane designed for advanced experimentation and technology testing. With its unparalleled flexibility and maneuverability, the X-37B is setting new standards in space exploration.

2006年11月，美国空军宣布以X-37A为基础发展X-37B，称为轨道试验飞行器（ Orbital Test Vehicle ， OTV ），由美国空军下属的快速反应能力办公室（ Rapid Capabilities Office ）主持，同时NASA与美国空军研究实验室（ Air Force Research Laboratory ， AFRL ）也参与研制。

2025年3月7日 · The secretive X-37B spaceplane has just returned from its latest highly classified, long-duration mission. On Mar. 7, 2025, at 07.22 UTC (2.22AM EST), the Boeing X-37B landed at Vandenberg Space ...

2012年12月11日，x-37b(otv-3) 自佛罗里达州卡纳维拉尔角空军基地发射升空，历经长达22个月(674日)的轨道飞行，已于2014年10月17日上午9时24分降落在加州的范登堡空军基地，为目前待在太空中最久的x-37b [13] 。

2024年10月10日 · The X-37B Orbital Test Vehicle (OTV-7) will begin executing a series of novel maneuvers, called aerobraking, to change its orbit around Earth and safely dispose of its service module components in accordance with recognized standards for space debris mitigation.

x-37b的控制系统包括各种气动舵面、反作用控制系统(rcs)和轨道机动系统(oms)，其中襟副翼、方向升降舵(v型尾翼)、v型尾翼之间的减速板以及机身后面的体襟翼为飞行器提供了气动控制(图 10)，方向升降舵对称偏转时提供俯仰控制，非对称偏转时实施偏航控制；襟 ...

2025年3月7日 · The X-37B program, managed jointly by the Department of the Air Force Rapid Capabilities Office and the United States Space Force with Boeing providing the spacecraft and mission support, has ...

2025年3月7日 · Aerobraking could be a way to maneuver while conserving fuel, however. In a release, the Space Force said the X-37 successfully performed the maneuver to lower itself into low-Earth orbit. “Mission 7 broke new ground by showcasing the X-37B’s ability to flexibly accomplish its test and experimentation objectives across orbital regimes,” said Chief of Space Operations Gen. B. Chance ...