'Three's Company': SpaceX's 3 Landed Rockets Cozy Up (Photos)

SpaceX's 3 Landed Rockets in the Hangar: 1
The three Falcon 9 first stages that SpaceX has successfully brought back down to Earth sit in a hangar at Kennedy Space Center’s Launch Complex 39A on May 14, 2016. (Image credit: SpaceX)

New SpaceX photos show three big pieces of spaceflight history sitting side by side by side.

The images, which were taken on Saturday (May 14), show the three Falcon 9 rockets that SpaceX has successfully brought back to Earth arrayed next to each other in a hangar at Launch Complex 39A, which is part of NASA's Kennedy Space Center in Florida.

SpaceX CEO and founder Elon Musk posted one of the new photos Sunday (May 15) via his Twitter account, @elonmusk, along with a pithy description: "Three's company." [See video of SpaceX's latest rocket landing]

Shot of SpaceX’s three landed Falcon 9 first stages in a hangar at Kennedy Space Center’s Launch Complex 39A. Photo taken May 14, 2016. (Image credit: SpaceX)

SpaceX is working to develop fully and rapidly reusable rockets, technology that Musk has said could reduce the cost of spaceflight by a factor of 100. The three boosters in the hangar at 39A — which are the big first stages of the two-stage Falcon 9 — are part of that development effort.

One of the boosters landed at Florida's Cape Canaveral Air Force Station in December during the launch of 11 communications satellites for SpaceX customer Orbcomm, becoming the first rocket ever to touch down softly during an orbital liftoff. (Blue Origin, the company led by Amazon.com founder Jeff Bezos, successfully landed its New Shepard rocket a month earlier, but that milestone occurred during a suborbital test flight.)

The other two Falcon 9 first stages came down at sea, landing on the deck of a robotic ship called "Of Course I Still Love You" that SpaceX had stationed several hundred miles off the Florida coast.

Close-up view of one of SpaceX’s three landed Falcon 9 first stages. Photo taken inside a hangar at Kennedy Space Center’s Launch Complex 39A on May 14, 2016. (Image credit: SpaceX)

These "drone ship" landings came on April 8, during the launch of SpaceX's robotic Dragon cargo capsule toward the International Space Station (ISS); and May 6, during the launch of the Japanese communications satellite JCSAT-14. (Such landings occur while the Falcon 9's second stage is still carrying the payload to orbit, so "during the launch" is appropriate wording, even if it sounds a bit weird.)

SpaceX would prefer to land all of its rockets at or near their launch sites, to streamline inspection and re-launch processes. But boosters cannot carry enough fuel to make it all the way back during some liftoffs, which explains why the company is practicing ocean landings as well, Musk has said.

The Falcon 9 that landed in December will be put on display at SpaceX's headquarters in Hawthorne, California, perhaps as early as next month, company representatives have said. Musk has said that SpaceX plans to refly the rocket that came down in April, and the same fate presumably awaits the booster than lofted JCSAT-14 as well.

Long shot of SpaceX’s three landed Falcon 9 first stages, taken from outside a hangar at Kennedy Space Center’s Launch Complex 39A on May 14, 2016. (Image credit: SpaceX)

JCSAT-14 went to geostationary transfer orbit, which is much farther away than low Earth orbit, where the ISS flies. So the rocket that landed on May 6 hit Earth's atmosphere while traveling about twice as fast as the one that came down on April 8, company representatives have said.

"Most recent rocket took max damage, due to v high entry velocity. Will be our life leader for ground tests to confirm others are good," Musk said via Twitter Sunday.

Follow Mike Wall on Twitter @michaeldwall and Google+. Follow us @Spacedotcom, Facebook or Google+. Originally published on Space.com.

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Mike Wall
Senior Space Writer

Michael Wall is a Senior Space Writer with Space.com and joined the team in 2010. He primarily covers exoplanets, spaceflight and military space, but has been known to dabble in the space art beat. His book about the search for alien life, "Out There," was published on Nov. 13, 2018. Before becoming a science writer, Michael worked as a herpetologist and wildlife biologist. He has a Ph.D. in evolutionary biology from the University of Sydney, Australia, a bachelor's degree from the University of Arizona, and a graduate certificate in science writing from the University of California, Santa Cruz. To find out what his latest project is, you can follow Michael on Twitter.