On April 4, 2019 at 14:22 UTC the Russian “Progress MS-11” unmanned supply spacecraft docked to the International Space Station in about 3 hours and 20 minutes after blastoff from Baykonur Cosmodrome. The spacecraft was docked to the Russian “Pirs” (SO-1) module. The spacecraft delivered about 2500 kilograms of cargo for the ISS crew. The Progress spacecraft completed fastest-ever trip to the International Space Station. The previous fastest-ever trip to the ISS was performed by the Russian “Progress MS-09” unmanned supply spacecraft on 10 July 2018.

On April 4, 2019 at 11:01 UTC the “Progress MS-11” unmanned supply spacecraft was launched from Baykonur Cosmodrome to the International Space Station. The spacecraft was orbited by the “Soyuz-2.1a” rocket-carrier.

On April 1, 2019 at 04:00 UTC, the PSLV-C45 rocket-carrier was launched from Satish Dhawan (Sriharikota) spaceport, 80 km from Chennai, India. The rocket (PSLV - Polar Satellite Launch Vehicle) orbited 29 satellites. The main payload was the Indian “EMISat” military electronic surveillance satellite.

On March 31, 2019 at 15:51 UTC the "Chang Zheng-3B/G2” (Long March-3B/G2) rocket-carrier was launched from the Xichang Satellite Launch Center in Xichang, southwest China's Sichuan Province. The rocket orbited the “Tianlian-2” tracking and data relay satellite.