Calipso pre-launch details
- The Calipso (Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation) spacecraft, for which Alcatel Alenia Space handled the delivery of the satellite platform and the spacecraft-payload integration, will be launched on 21 April at 1002 UTC. The launch window is instantaneous.

New Astra 1KR pre-launch details
- An Atlas V is to launch Astra 1KR from Cape Canaveral Air Force Station on 20 April during a launch window that extends from 2027 to 2317 UTC. It will be the 100th launch for International Launch Systems (ILS).