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SpaceX Falcon Heavy's center core crashes into the ocean after most difficult launch ever

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SpaceX Falcon Heavy's center core crashes into the ocean after most difficult launch ever

A thrilling night-time launch for the world's most powerful rocket ends with its center core booster crashing into the Atlantic.


SpaceX's most difficult launch yet proved to be as complicated as predicted, with the Falcon Heavy's center core booster crashing into the ocean. However, it wasn't all bad news for Elon Musk's spaceflight company -- the two side boosters, being reused for the first time, did make it back to Earth in one piece. 

The world's most powerful rocket launched from Florida's Cape Canaveral Air Force Station in the dead of a warm night, lifting off at 2:30 a.m. ET in a dazzling flurry of flame. 

As the kids say: "This launch was straight fire"


It was a particularly notable launch because it's the first time the Falcon Heavy was to reuse two side boosters flown on the previous Falcon Heavy mission. The charred metal tubes certainly showed signs of their off-world experience hours before launch, but when they ignited it was business as usual for the Heavy.  

Those two rocket boosters safely landed back at the Cape Canaveral Landing Zone at 2:38 a.m ET, a burst of flame lighting up the night in SpaceX's infrared cameras as the booster descended back to Earth. 

Entry burn.


But the dual landing was just an appetizer. The core booster center core landing was the main dish and sadly, it never landed on the plate.

On Falcon Heavy's second flight, the core booster successfully landed on SpaceX's Of Course I Still Love You droneship but eventually toppled into the sea because the droneship lacked adequate clamps for the Heavy core. This time around, with clamp adjustments made, the core booster crashed into the ocean about 12 minutes after launch. 

The center core booster couldn't stick the landing.


The STP-2 mission carries a number of important payloads, including the crowd-funded Lightsail 2, a solar-sail test mission promoted by science star Bill Nye and the Planetary Society, NASA's Deep Space Atomic Clock, which could be used to help spacecraft navigate space, and a handful of cremated remains, including those of Apollo 11 support astronaut Bill Pogue. The complete deployment will take approximately 3.5 hours and SpaceX will continue to broadcast throughout the mission.

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SpaceX just aced a critical Air Force test of its Falcon Heavy rocket

This "allows the Air Force to begin using previously flown rocket technology."

On Tuesday afternoon—a little more than 12 hours after the launch of a Falcon Heavy rocket from Kennedy Space Center in Florida—the US Air Force's Space & Missile Systems Center declared that all had gone well with the complicated mission. "All satellites are on orbit and have made contact," the Air Force unit tweeted.


SpaceX had a lot on its plate with Tuesday morning's launch, which occurred at 2:30am ET (06:30 UTC). Once again, the company recovered the two side-mounted Falcon 9 first stage boosters at a landing site along the Florida coast. But for the second time out of three Falcon Heavy launches, SpaceX was unable to land the center core on a drone ship in the Atlantic Ocean. This is perhaps understandable because, due to mission requirements, the center core used in Tuesday's launch had to shed more energy than any previous launch—its attending drone ship was positioned more than 1,200km away from the launch site.


More favorably for SpaceX, the company succeeded in catching one half of a payload fairing for the first time. SpaceX did so with its rebranded Ms. Tree ship, which sports a large catcher's mitt-like netting. "Ms. Tree caught the Falcon fairing!!" company founder Elon Musk shared on Twitter. For a few years, the company has been experimenting with various approaches to capturing the payload fairing halves, which split apart after a rocket reaches orbit to allow the payload access to space.


Each fairing half has some onboard capacity to control its descent through Earth's atmosphere, and a complete payload fairing is valued at about $6 million. SpaceX has said it intends to fly "used" payload fairings on a Falcon 9 launch later this year. But for all of the progress SpaceX continues to make with reusable launch, the biggest news from Tuesday morning's Falcon Heavy mission is that the Air Force has apparently come away satisfied with the performance of SpaceX and its heavy-lift rocket.

A demonstration

For its first payload to fly on the Falcon Heavy rocket, the armed service did not choose one of its ultra-expensive, classified satellites used for observation or military communications. Rather, it flew a rideshare mission that included 24 different satellites that entailed military, NASA, and NOAA-sponsored military and civil experiments. The Falcon Heavy rocket's upper stage had to place the satellites into three different orbits, completing a complicated sequence of four Merlin vacuum engine firings over the course of three hours.


Additionally, the Falcon Heavy's side-mounted boosters flying Tuesday were Falcon 9 rocket first stages that had each flown once before. In a previous life (April), they had been side boosters on the Falcon Heavy Arabsat-6A mission. Air Force officials said Tuesday's launch (known as Space Test Program-2) would provide insight into the SpaceX booster recovery and refurbishing process, potentially allowing future National Security Space missions to fly on previously flown rockets.


"This was a momentous launch for NASA, NOAA, and the DOD," said Col. Dennis Bythewood, program executive officer for Space Development. "The SpaceX Falcon Heavy allows the Air Force to begin using previously flown rocket technology to further reduce the cost of launch. This mission demonstrated SMC's continuing commitment to leverage the most innovative technologies to deliver cost-effective space capabilities."


All of this bodes well for SpaceX as the Air Force works through bids from SpaceX, United Launch Alliance, Blue Origin, and Northrop Grumman to win lucrative launch contracts from 2022 to 2026. The Air Force is only expected to pick two winners, and SpaceX has just shown that it can do the kinds of missions the Air Force wants to do, for a lower price, with a rocket that exists today.


Listing image by Trevor Mahlmann




Source: SpaceX just aced a critical Air Force test of its Falcon Heavy rocket (Ars Technica)


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