General Atomics, Rocket Lab to Launch Argos-4 Advanced Data Collection System Our Bureau 1528 Image for representation. General Atomics Electromagnetic Systems (GA-EMS) has signed a contract with Rocket Lab to launch the GA-EMS developed Orbital Test Bed (OTB) satellite carrying the Argos-4 Advanced Data Collection System (A-DCS) hosted payload. The contract was awarded to GA-EMS by the United States Space Force’s (USSF) Space and Missile Systems Center (SMC) under a USSF Hosted Payload Solutions (HoPS) delivery order, on behalf of the National Oceanic and Atmospheric Administration (NOAA). The anticipated launch will occur between late 2021 and early 2022 using Rocket Lab’s Electron launch vehicle.