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Tech & Science Coronavirus pandemic forces US Space Force, SpaceX to delay GPS satellite launch

17:36  08 april  2020
17:36  08 april  2020 Source:   space.com

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The planned SpaceX launch of a new GPS navigation satellite this month for the U.S. military has been delayed to at least June due to the ongoing coronavirus pandemic, Space Force officials say. 

a satellite in space: An artist's illustration of a GPS III Magellan navigation satellite built by Lockheed Martin. © Provided by Space An artist's illustration of a GPS III Magellan navigation satellite built by Lockheed Martin.

In an statement Tuesday (April 7), officials with the Space Force's Space and Missile Systems Center (SMC) announced that they've postponed the launch "to minimize the potential of COVID-19 exposure to the launch crew and early-orbit operators."



The new global positioning system satellite GPS III-3 was originally scheduled to launch on a SpaceX Falcon 9 rocket from the Cape Canaveral Air Force Station in Florida in late April. It will now launch no earlier than June 30, SMC officials said. That target will be reevaluated in May, they added.

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"We do not make this decision lightly, however, given our GPS constellation remains strong, we have the opportunity to make a deliberate decision to maintain our mission assurance posture, without introducing additional health risk to personnel or mission risk to the launch," Lt. Gen. John F. Thompson, SMC commander and program executive officer for space, said in the statement. 

The Space Force's GPS navigation satellite constellation consists of 31 satellites in orbit now. Like its name suggests, GPS III-3 will be the third of a new modernized series (the GPS III block) to join the constellation. The GPS III design offers three times the accuracy and an up to eight-time improvement on anti-jamming capabilities over its predecessor, the GPS II block, SMC officials said. 

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"The GPS system supports vital U.S. and allied operations worldwide, unabated. As the COVID-19 pandemic is a threat to national security, likewise, rescheduling the launch is in the interest of national security," Thompson said in the statement. "We have to get it right the first time, and protecting our people is just as important as cost, schedule, and performance."

SMC officials aim to launch three GPS satellites in 2020, with GPS III-3 being the first of them. Its immediate predecessor, GPS III-2, launched in August 2019 and entered service on April 1. 

But to launch those GPS missions, SMC officials must ensure make procedure and facility changes at the GPS III Launch and Checkout Capability operations center to reduce the number of personnel on site, as well as support proper social distancing amid the COVID-19 pandemic.

"Once these efforts are completed, and the crews have rehearsed and are deemed proficient and ready to execute under these modified conditions, we fully intend to return to our launch cadence for deploying GPS III satellites," Col. Edward Byrne, chief of Medium Earth Orbit Space Systems Division, said in the statement.

The GPS III-3 launch delay is not the first for SpaceX due to the novel coronavirus pandemic. 

Last month, company had hoped to launch the radar Earth-observation satellite SAOCOM 1B for Argentina, but was forced to postponed the March 30 liftoff when travel restrictions prevent

Historic SpaceX launch postponed after last-second abort .
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