Thanks to the rapid expansion of the private space travel market, getting resources to space is easier than ever, especially if you’re willing to share a ride. Today, satellite communications company Iridium announced it was going to carpool (or rocket-pool, in this case) with NASA to get five of its NEXT satellites into space on top of a SpaceX Falcon 9 rocket in early 2018.

The five NEXT satellites will go alongside two NASA satellites. Iridium has been contracting flights on SpaceX’s rockets for a while (this will be its eighth), as has NASA. But it’s the first time the two entities have shared a rocket. NASA’s satellites are part of its GRACE-FO mission, which monitors the constantly shifting gravitational field around the Earth. The Iridium satellites are part of the NEXT program, which initially signed on with SpaceX to put a network of 70 communication satellites in a low-earth orbit. The additional launch will up that number to 75.

“This is a very smart way to get additional Iridium NEXT satellites into orbit,” said Matt Desch, chief executive officer at Iridium said in a press release. “This launch provides added resiliency to our network for not much more than we had planned originally to launch 72 satellites, including two with Kosmotras.”

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Sharing space with NASA’s two GRACE-FO satellites makes sense both from an efficiency and a financial standpoint.

As Desch said, Iridium was going to contract with Kosmotras, a Russian rocket company, to get two more NEXT satellites into the sky, but found a way to launch them from U.S. soil at California’s Vandenberg Air Force Base.

As more and more companies enter the private aerospace market, getting things to and from orbit becomes a much more flexible market (see: Boeing scalping off some ISS tickets). In the long run, this is probably a good thing, because rockets tend to blow up every now and then.

Photos via Getty Images / NASA