Small, lightweight JIB antennas from Northrop Grumman Corporation's Astro Aerospace business unit will help provide a new maritime identification capability for Canada's three RADARSAT Constellation Mission (RCM) Earth observation satellites planned for launch in 2018. Astro Aerospace will provide 13 self-deploying, monopole JIB antennas as part of an Automated Identification System (AIS) being added to the identical radar-imaging satellites under a contract from RCM prime contractor MacDonald, Dettwiler and Associates Ltd.