San Diegans photograph Sunday night's launch of Falcon 9 rocket at Vandenberg

SpaceX					SpaceX’s Falcon 9 Block 5 ready for first Return-To-Launch-Site booster landing

SpaceX SpaceX’s Falcon 9 Block 5 ready for first Return-To-Launch-Site booster landing

After a trouble-free countdown, the two-stage rocket blasted off right on time at 7:21 p.m. PT from California's Vandenberg Air Force Base, leaving a post-sunset contrail glowing in the cloudless skies above.

SpaceX also has successfully landed Falcon 9 first stages on so-called drone ships off the coasts of Florida and California, all as part of its effort to decrease the cost of space launches by reusing rockets rather than allowing them to fall into the ocean.

SpaceX CEO Elon Musk took to Twitter to warn Californians what was in store for them.

Minutes after launch, the rocket's second stage separated from the first-stage booster and continued rising spaceward. "This won't be subtle".

Kavanaugh does not belong on Supreme Court, retired judge says
Since his retirement, Stevens has penned a handful of opinion pieces for the New York Times calling for dramatic liberal reform. Stevens retired from the Supreme Court in 2010, after serving for more than 35 years.

Saocom-1A is a 3,000-kilogram synthetic aperture radar (SAR) satellite for the Argentine space agency CONAE that was contracted in 2009 for a launch in 2012. The rocket plume is expected to be illuminated by the sun after the launch at 7:21 p.m. Sunday.

The satellite is the first of two that will be used for emergency management and for land monitoring. Finally, dropping straight down toward Landing Zone 4, the rocket's four landing legs deployed, a single engine re-started and the booster settled to a picture-perfect touchdown in a cloud of smoke.

It was SpaceX's 17th flight so far this year, the company's 44th successful launch in a row and the 63rd overall for the Falcon 9 family of rockets, including the February debut of its three-core Falcon Heavy rocket.

SpaceX has a goal of using the boosters up to ten times with little maintenance, and 100 with refurbishment, as well as being able to relaunch boosters 24 hours after landing.

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