Secretive X-37B Space Plane Set For New Orbital Maneuver
Arthur T Knackerbracket has processed the following story:
After nearly a year in orbit, the US Space Force's secretive X-37B is prepped to perform some fancy new maneuvers to alter its orbit and dump its service module before carrying on with more mysterious work.
Usually tight-lipped about the X-37B's orbital operations, the Space Force said yesterday that the seventh orbital test vehicle mission (OTV-7) would be the first time relying on aerobraking to slow a path around the Earth and reduce orbit.
"This first of a kind maneuver from the X-37B is an incredibly important milestone for the United States Space Force as we seek to expand our aptitude and ability to perform in this challenging domain," said USSF chief of space operations, General Chance Saltzman.
The US Space Force has shared very few details about the X-37B's activities in orbit, but when it goes up, it stays up for the long haul.
Its six previous missions have all gradually become longer: Its first in 2010 was less than a year, but since then, it's managed to achieve a 908-day flight after landing in late 2022 at the end of OTV-6. That nearly two-and-a-half-year mission was also the first to send the X-37B into orbit with a service module in the form of a ring-like attachment at the rear of the craft.
It's not immediately clear if the service module on OTV-7 is of the same design, or if it's bigger. As we noted in our discussion of OTV-7's choice of a SpaceX Falcon Heavy for launch, the rocket gave the Space Force way more cargo capacity, meaning the service module could be larger.
Either way, it looks like the plan is to get it ejected from the craft itself as part of the aerobraking maneuver. According to the Space Force, part of the orbital adjustment will include the X-37B "safely dispos[ing] of its service module components in accordance with recognized standards for space debris mitigation."
[...] OTV-7 won't be returning to Earth immediately, though: The 29-foot-long space plane still has some more experiments to conduct before heading home. All we know about what's on board is some space domain awareness technology experiments and materials being tested for their reaction to radiation exposure.
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