A Block 4-core was used to launch the SES-10 satellite, the Block 4's first journey was 12 months previous.
The Falcon 9 rocket blasted off early Tuesday morning from Cape Canaveral, Florida.
Launching at 1:18 a.m. ET, the flight carried communications satellite Merah Putih, which is named for the red and white colors of the Indonesian flag.
Following stage separation, Falcon 9's first stage, which previously flew on the first Block 5 mission in May 2018, successfully landed on SpaceX's "Of Course I Still Love You" droneship stationed in the Atlantic Ocean. It became the 28th booster that SpaceX has ever recovered.
REUSE, REUSE, REUSE. This launch is the first to employ a reused Block 5 - the first stage of the rocket.
Such reuse goals are crucial to SpaceX's long-term mission of reducing the cost of space transportation, with an aim to eventually launch a Falcon 9 rocket, recover the booster, and re-launch it within 24 hours, according to Musk, who said in May that could be accomplished as soon as next year.
He continued to say that the Block 5's first stage booster had been created to fly 10 times "with no scheduled refurbishment" and with "moderate scheduled maintenance", ultimately being capable of 100 missions. That it only took the company a few months to send the booster back to the launchpad is very promising and could mark the beginning of an era of more affordable flights with reusable boosters.
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The Merah Putih satellite then was released into an elliptical transfer orbit, the normal first step in getting a communications satellite into its intended orbit 22,300 miles above the equator.
The Merah Putih satellite launched Tuesday will provide C-band telecommunications services over Indonesia and India.
The new satellite will replace the aging Telkom 1 satellite, which has been in operation since 1999.
Merah Putih will be located at 108 degrees east longitude.
"Satellite plays a vital role in our telecommunications infrastructure", said Zulhelfi Abidin, Telkom's chief technology officer. After extensive testing and checkout, the satellite will be put into service.
With the third reuse now explicitly on the table for B1046 "later this year", Falcon 9 has broken a two-launch ceiling that long loomed over its older predecessors. A United Launch Alliance Delta IV Heavy rocket is readying to launch NASA's $1.5 billion Parker Solar Probe mission to study the sun, targeting a 3:48 a.m. Saturday, Aug. 11, liftoff from Launch Complex 37.
APT Satellite of Hong Kong has an agreement to use capacity on Telstar 18 VANTAGE, which is also known as Apstar 5C.