A JAXA SS-520 rocket launched the TRICOM 1R mission on Saturday, February 3, 2018 at 5:03 AM (UTC).
Missions
TRICOM 1R:
Using their modified sounding rocket, the three-stage SS-520, JAXA makes their second attempt to demonstrate the launch of a single 3U Cubesat (TRICOM 1) into low-Earth orbit.