The mission’s goals include tests of “high-bandwidth inter-satellite laser communications technologies.”
“OTV-8’s laser communications demonstration will mark an important step in the US Space Force’s ability to leverage commercial space networks as part of proliferated, diversified, and redundant space architectures,” said US Space Force Chief of Space Operations Gen. Chance Saltzman in a statement. “In so doing, it will strengthen the resilience, reliability, adaptability, and data transport speeds of our satellite communications architectures.”
Navigating in a world without GPS
The space plane will also advance the development of a new navigation technology based on electromagnetic wave interference. The Space Force news release characterizes this as the “highest-performing quantum inertial sensor ever tested in space.”
Boeing has previously tested a quantum inertial measurement unit, which detects rotation and acceleration using atom interferometry, on conventional aircraft. Now, an advanced version of the technology is being taken to space to demonstrate its viability. The goal of the in-space test is to demonstrate precise positioning, navigation, and timing in an environment where GPS services are not available.
“Bottom line: testing this tech will be helpful for navigation in contested environments where GPS may be degraded or denied,” Saltzman said in a social media post Monday, describing the flight.
Quantum inertial sensors could also be used near the Moon, where there is no comparable GPS capability, or for exploration further into the Solar System.
Notably, the small X-37B is back to launching on a medium-lift rocket with this new mission. During its most recent flight that ended in March, the space plane launched on a Falcon Heavy rocket for the first time. This allowed the X-37B to fly beyond low-Earth orbit and reach an elliptical high-Earth orbit.
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