Falcon 9 Block 4 | OTV-5 (X-37B)

SpaceX launch of a Falcon 9 Block 4 Rocket

Launch Status

SpaceX was scheduled to launch a Falcon 9 Block 4 rocket as part of the OTV-5 (X-37B) mission. The launch window for the Government/Top Secret mission was on Thu, Sep 7th, 2017, 10:00 AM EDT from Launch Complex 39A Kennedy Space Center, FL, USA. There was a 50% chance for favorable weather conditions. Don’t miss this exciting rocket launch! Watch the launch video of the Falcon 9 Block 4 and experience the excitement for yourself. The first stage of the Falcon 9 rocket landed at LZ-1.


Launch Complex 39A

Kennedy Space Center, FL, USA


Falcon 9 Block 4

The Full Thrust variants first stage includes all systems necessary for an operational re-use of stages while the second stage is operated as an expendable rocket stage.


Space Exploration Technologies Corp., known as SpaceX, is an American aerospace manufacturer and space transport services company headquartered in Hawthorne, California. It was founded in 2002 by entrepreneur Elon Musk with the goal of reducing space transportation costs and enabling the colonization of Mars. SpaceX has many pads, on the East Coast of the US they own SLC-40 at Cape Canaveral and LC-39A at the Kennedy Space Center for their lower inclination launches. They also own SLC-4E at Vandenberg, California for their high inclination launches. Another site is also being developed at Boca Chica, Texas.

The first stage of the Falcon 9 rocket landed at LZ-1.

Launched OTV-5 and was expended during SES-12.

Landing Zone 1 (LZ-1)

LZ-1 Pad located at Cape Canaveral Air Force Station at the previous LC-13

Return to Launch Site (RTLS)

A return to launch site usually means that after stage separation the booster flips and does a burn back towards the launch site, landing near where it initially launched from.