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The next launch of Atlas 5, delayed by battery damage – Spaceflight Now



Atlas 5, containing the Air Force AEHF 5 satellite, was transferred to the starting site of Cape Canaveral's 41 complex on June 15th. Credit: United Launch Alliance

The next United Launch Alliance rocket of Atlas 5 The fifth US Air Force Communications Planet scheduled for Thursday was delayed not earlier than July 9 to replace a failed vehicle battery.

ULA crews in Cape Canaveral were preparing to take off at 8:27 AM EDT (1227 GMT) on Thursday with a built-in nuclear fastener, sustained of jam Lockheed Martin

Spacecraft AEHF 5 designed to provide secure communication to US military and president.

"It takes extra time for the technical team to complete the cancellation and replace the battery," ULA said in a statement.

The launch window for the first Atlas 5 commissioning option was not announced on July 9, but the window is expected to open at approximately 7:45 pm EDT (1145 GMT).

The Atlas 5 rocket is fully assembled inside the vertical integration facility, or VIF, at the launch site of Complex 41 of Cape Canaveral. As the first stage of Atlas 5 arrived at the VIF last month, the workers installed the Centaur rocket top, five solid rocket boosters and the Atlas 5 shell containing the AEHF 5 spacecraft.

The AEHF 5 Satellite Coming Up The Vertical integration on June 15 completed the assembly of the Atlas 5 rocket. Credit: United Launch Alliance

The release of AEHF 5 satellite comes after the launch of four previous AEHF spacecraft in 2010, 2012, 2013 and 2018, all of Atlas 5 missiles.

The Atlas 5 Centaur Upstairs will launch its RL10 engine three times to send the AEHF 5 spacecraft into a high-energy, elliptical geostationary transfer orbit that ranges from 14,935 miles to 21,933 miles altitude, with a slant of 9.95 degrees

to deploy a spacecraft AEHF 5 about 5 hours, 40 minutes after take-off. The satellite's own engine will direct the vessel to circular geostationary orbit more than 22,000 miles above the equator, where AEHF 5 will join its predecessors in the secure communications network.

After the launch of AEHF 5, the ULA plans to start stacking its next Atlas. 5 rocket inside VIF in Complex 41 for the first unmanned flight test of the Boeing CST-100 Starliner crew's flight crew scheduled for take-off in September.

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Follow Steven Clark on Twitter: @ StephenClark1 .


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