SpaceX Rocket Launches X-37B Space Plane on Secret Mission, Aces Landing

The fifth poser thought of a U.S. Air Force’s X-37B space plane is now underway.

A SpaceX Falcon 9 rocket carrying a robotic X-37B carried off currently (Sept. 7) during 10 a.m. EDT (1400 GMT) from ancestral Launch Complex 39A during NASA’s Kennedy Space Center (KSC) in Florida.

About 2.5 mins into a flight, a Falcon 9’s dual stages separated. While a second theatre continued hauling a X-37B to orbit, a initial theatre maneuvered a approach behind to Earth, eventually pulling off a straight touchdown during Landing Zone 1, a SpaceX trickery during Cape Canaveral Air Force Station, that is subsequent doorway to KSC. [The X-37B Space Plane: 6 Surprising Facts]

A SpaceX Falcon 9 rocket launches a U.S. Air Force's X-37B space craft into circuit from NASA's Pad 39A during a Kennedy Space Center in Cape Canaveral, Florida on Sept. 7, 2017.
Credit: SpaceX

“Everything proceeded nominally,” SpaceX materials operative Michael Hammersley pronounced only after a launch during live commentary. “Smooth initial theatre ascent, well-spoken second theatre subdivision and start, and afterwards that pleasing alighting that we only saw.”

The association has now aced 16 such booster landings during orbital liftoffs — seven during Landing Zone 1 and 9 on robotic “drone ships” during sea — including a fibre of 12 in a row. (This strain does not take into comment a blast of a Falcon 9 during a pre-launch exam on Sept. 1, 2016; a final unsuccessful alighting try came in Jun 2016.) These touchdowns are partial of SpaceX’s bid to rise fast reusable spaceflight systems, that association owner and CEO Elon Musk has pronounced could condense a cost of space scrutiny and utilization.

But a alighting was a delegate objective. The categorical thought currently was removing a reusable X-37B — also famous as a Orbital Test Vehicle (OTV) — into orbit.

The Air Force is famous to possess dual X-37Bs, both of that were built by Boeing. The uncrewed vehicles demeanour like NASA’s now-retired space convey orbiters, though are many smaller; any X-37B is 29 feet (8.8 meters) prolonged and 9.6 feet (2.9 m) tall, with a cargo brook a distance of a pickup lorry bed. For comparison, a space shuttles were 122 feet (37 m) long, with 78-foot (24 m) wingspans.

Like a space shuttle, a X-37B launches plumb and comes to behind to Earth horizontally, in a runway landing.

Together, a dual X-37Bs have finished 4 space missions, any of that has set a new generation customary for a program. OTV-1 carried off in Apr 2010 and logged 224 days in orbit; OTV-2 launched in Mar 2011 and spent 468 days in space. OTV-3 circled Earth for scarcely 675 days, from Dec 2012 to Oct 2014, and OTV-4 spent 718 days in space, rising on May 20, 2015, and alighting on May 7, 2017.

A SpaceX Falcon 9 rocket initial theatre stands atop Landing Zone 1 during Cape Canaveral Air Force Station in Florida after rising a U.S. military's X-37B space craft on a fifth personal thought for a Air Force.
Credit: SpaceX

Exactly what a X-37B did during those 4 missions, or what it will do during a newly launched OTV-5, is a mystery; many X-37B payloads and activities are classified. This privacy has spawned some conjecture that a car might be a space arms of some sort. But a Air Force has energetically denied this idea, stressing that a space craft is only contrast technologies for destiny booster and hauling experiments to orbit.

One such OTV-5 examination that has been emitted is a Air Force Research Laboratory Advanced Structurally Embedded Thermal Spreader payload, that will “test initial wiring and oscillating feverishness siren technologies in a long-duration space environment,” according to an Air Force statement.

OTV-5 is a initial X-37B thought to use a SpaceX rocket. On all 4 prior flights, a X-37Bs rode atop United Launch Alliance Atlas V launchers. [How a X-37B Military Space Plane Works (Infographic) ]

The space craft will also work in a higher-inclination circuit on a OTV-5 thought than it has during any other mission, Air Force officials said.

The U.S. Air Force's X-37B space craft swift has begun a fifth tip moody with a launch of a OTV-5 thought on Sept. 7, 2017.
Credit: U.S. Air Force

“The many firsts on this thought make a arriving OTV launch a miracle for a program,” Randy Walden, executive of a Air Force Rapid Capabilities Office, pronounced in a same statement, that was released final week. “It is a thought to continue advancing a X-37B OTV so it can some-more entirely support a flourishing space community.”

Today’s launch was SpaceX’s second U.S. national-security mission. The initial came this past May, when a Falcon 9 lofted a personal view satellite for a National Reconnaissance Office. 

Editor’s Note: comparison producer Steve Spaleta contributed to this report.

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

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