All Day

Launch Falcon 9 / Cygnus CRS-2 NG-24

SLC-40 (~28°N), Cape Canaveral SFS FL, USA

Set for 08:51 EDT (02:51 HST), 24th flight of Orbital ATK uncrewed supply craft and 23rd to ISS under Commercial Resupply Services contract with NASA; booster will attempt return to new Landing Zone 40 (LZ-40).

Launch Vega-C / Solar wind Magnetosphere Ionosphere Link Explorer (SMILE)

Ariane Launch Area 1 (ELV), Guiana Space Centre, French Guiana

Set for 03:29 French Guiana Time UTC-3 | 20:29 HST Apr 8 to send astrophysics satellite to elliptical orbit. Joint mission between the European Space Agency and the Chinese Academy of Sciences to investigate the interaction between Earth’s protective shield – the magnetosphere – and the supersonic solar wind.