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ULA Launches Third Mission of 2023, Seems Forward to Maiden Vulcan Flight

October 7, 2023
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ULA Launches Third Mission of 2023, Seems Forward to Maiden Vulcan Flight
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Friday’s launch was ULA’s third of 2023 and the second outing of Mighty Atlas in below a month. Picture Credit score: Jeff Seibert/AmericaSpace

United Launch Alliance (ULA) is heading to shut out considered one of its least-flown years on file, following Friday’s picture-perfect 2:06 p.m. EDT launch of a “Mighty Atlas” out of storied Area Launch Advanced (SLC)-41 at Cape Canaveral Area Drive Station, Fla. Aboard the highly effective Atlas V booster—making its 99th outing and eighth within the “501” configuration, geared up with a 17.7-foot-diameter (5.4-meter) Quick Payload Fairing (SPF), no strap-on boosters and a single-engine Centaur higher stage—had been a prototype pair of satellites for Amazon’s in-development Challenge Kuiper broadband web constellation.

Video Credit score: ULA

Regardless of climate situations initially wanting round 85-percent-favorable, Thursday’s most up-to-date replace from the forty fifth Climate Squadron at Patrick Area Drive Base lowered these probabilities to round 70 %. “Remoted showers might strategy the Spaceport Friday morning, however will start to shift away within the afternoon, as a result of change within the mid-level move,” the forty fifth famous. “Our essential concern for the first launch window will now be Thick Cloud Layers Rule, with Chance of Violation (PoV) growing all through the window, resulting from rising moisture within the mid-levels forward of an approaching entrance.”

ULA launches the Challenge Kuiper Protoflight for Amazon on an Atlas 501 configuration rocket.
Picture Credit score: Jeff Seibert/AmericaSpace

The mission benefitted from an expansive two-hour major “window”, opening at 2 p.m. and shutting at 4 p.m. Friday. As outlined in AmericaSpace’s preview story, the method of stacking the Atlas V—its Frequent Core Booster (CCB), Centaur higher stage and the payload fairing housing KuiperSat-1 and KuiperSat-2—received underway final month with the Launch Car On Stand (LVOS) milestone. The payload was mounted atop the stack on the finish of September, elevating the peak of the Mighty Atlas to 196 ft (59.7 meters).

Picture Credit score: forty fifth Climate Squadron

A Launch Readiness Evaluate (LRR) on Wednesday, led by ULA Launch Director James Whelan, produced a definitive “Go” to proceed with Friday’s launch try and on Thursday the Atlas V was rolled the quarter-mile (400-meter) from the Vertical Integration Facility (VIF) to SLC-41’s pad floor. Storable rocket-grade kerosene (generally known as “RP-1”) had already been loaded into the enormous booster, with cryogenic oxygen and hydrogen tanking occurring within the ultimate hours forward of liftoff.

A half-hour earlier than the opening of the window, Mr. Whelan instructed the group to co-ordinate a brand new T-0 at 2:06 p.m. and a ultimate readiness ballot produced a “Go for Launch”. ULA’s third mission of 2023—and its second Atlas V of the yr—went airborne with attribute perfection, the twin nozzles of its RD-180 engine powering scorching and laborious for the opening 4.5 minutes of ascent. After this, the Centaur assumed management to raise the KuiperSat twins the remainder of the best way into their 311-mile-high (500-kilometer) orbit, inclined 30 levels to the equator.

Lovely view of the Mighty Atlas’ 501 payload shroud, housing the KuiperSat-1 and KuiperSat-2 twins. Picture Credit score: Jeff Seibert/AmericaSpace

“This preliminary launch is step one in help of deployment of Amazon’s initiative to supply quick, inexpensive broadband service to unserved and underserved communities all over the world,” mentioned Gary Wentz, ULA vice chairman of presidency and business packages. “We have now labored diligently in partnership with the Challenge Kuiper group to launch this vital mission that can assist join the world.”

Unveiled by Amazon in 2019, Challenge Kuiper—whose meant constellation measurement of three,236 satellites alludes to the colossal Kuiper Belt of icy our bodies within the outer Photo voltaic System—is meant to extend world high-speed, low-latency broadband entry and assist shut the “digital divide”, significantly in underserved areas of the USA and worldwide. “We’re decided to make inexpensive broadband a actuality for patrons and communities all over the world,” mentioned Amazon founder Jeff Bezos.

Picture Credit score: ULA

Based on Amazon, Challenge Kuiper will serve a “wide selection of consumers”, together with particular person households, faculties, hospitals, companies, authorities companies, catastrophe reduction operations, cell operators and organizations working with out dependable web connectivity. The in-house system leverages Amazon’s world logistics and operations “footprint”, in addition to Amazon Net Companies (AWS) networking and infrastructure “to serve a various, world buyer base”.

“We’ve designed our satellites and dispenser system to accommodate a number of launch automobiles,” mentioned Challenge Kuiper’s vice chairman of expertise, Rajeev Badyal. “This offers us the pliability to make use of many alternative rockets and suppliers to launch our satellite tv for pc system.”

Picture Credit score: ULA

In October 2020, the Federal Communications Fee (FCC) voted unanimously to approve Challenge Kuiper. And over the next two years, Amazon unveiled designs for the satellites’ Ka-band phased-array antennas for use in buyer terminals, announced substantial investment in prototype manufacturing services in Redmond, Wash., and unveiled a trio of outdoor-mounted customer terminal designs.

Final yr, Amazon signed the largest commercial launch-vehicle procurement contract in history for as much as 83 launches over a five-year interval. Key suppliers are ULA’s Vulcan-Centaur, Kent, Wash.-headquartered Blue Origin’s New Glenn and Europe’s Ariane 6, developed by Paris, France-based Arianespace.

Picture Credit score: ULA

“Securing launch capability from a number of suppliers has been a key a part of our technique from Day One,” mentioned Badyal. “This strategy reduces danger related to launch automobile stand-downs and helps aggressive long-term pricing for Amazon. These massive, heavy-lift rockets additionally imply we are able to deploy extra of our constellation with fewer launches, serving to simplify our launch and deployment schedule.”

Beneath the April 2022 contracts, Paris, France-based Arianespace will fly 18 missions in help of Challenge Kuiper, while Blue Origin will launch 12 instances (with an choice for 15 extra) and ULA is tasked with 38 Vulcan-Centaur flights. It was famous that the ULA portion of the contract additionally lined “manufacturing and launch infrastructure to help a better cadence of launches” from SLC-41, “together with a brand new, devoted model of the Vulcan Launch Platform (VLP)”.

Picture Credit score: ULA

In help of Challenge Kuiper, ULA can also be growing a second automobile processing facility to create parallel “launch lanes” for these high-cadence operations. The 38 Vulcan-Centaur missions adopted an April 2021 contract for 9 Atlas V launches to deploy the preliminary members of Challenge Kuiper from SLC-41, bringing to 47 the overall variety of flights presently on ULA’s ticket.

Within the aftermath of Friday’s launch, ULA famous that its subsequent mission on the manifest would be the long-awaited maiden voyage of the Vulcan-Centaur heavylifter, which underwent a complete Flight Readiness Firing (FRF) of its core stage again in June. That mission—carrying Astrobotic’s Peregrine lunar lander—presently has no definitive launch date, however is provisionally focused for the ultimate quarter of the yr.

Video Credit score: ULA

If Vulcan-Centaur certainly flies earlier than the tolling of the New 12 months’s Eve bell, it can shut out 2023 for ULA on 4 launches: two Atlas Vs final month and immediately and the second-to-last mission of the mammoth Delta IV Heavy in June. Along with the KuiperSat twins, the NROL-68 and NROL-107 “Silent Barker” labeled payloads have been efficiently delivered to orbit on behalf of the Nationwide Reconnaissance Workplace. 4 flights in a single calendar yr represents ULA’s lightest for the reason that group opened its doorways in December 2006.

Kuiper Protoflight launch as seen from Loop Highway on CCSFS.
Picture credit score: Jeff Seibert/AmericaSpace

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