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CRS-17 Dragon launch

SpaceX is contracted with NASA to send a Dragon capsule to the International Space Station to deliver thousands of kilograms of cargo. Liftoff atop a Falcon 9 rocket from Cape Canaveral Air Force Station’s Space Launch Complex 40 is expected in spring 2019.

In addition to pressurized cargo, such as crew supplies and internal experiments, the vehicle is expected to carry several external hardware items. These include the Orbiting Carbon Observatory 3 experiment and the Space Test Program - Houston 6 package.

OCO-3 is an experiment designed to measure the amount and distribution of carbon dioxide in Earth’s atmosphere. Operated by NASA, it is a follow-on to the OCO-2 mission using the spare OCO-2 flight unit. Once at the ISS, it is expected to be installed on the Kibo module’s Exposed Facility for nominal duration of three years.

STP-H6 is expected to carry eight experiments for the U.S. Department of Defense. Once at the ISS, it will be installed on an External Logistics Carrier on the outpost’s truss.

Earlier Event: April 19
NG-11 Cygnus berthing
Later Event: May 6
CRS-17 Dragon berthing