United States, May 20 -- NASA has signed an agreement with Argentina's Comision Nacional de Actividades Espaciales (CONAE) for a CubeSat to fly on the agency's Artemis II test flight. With this agreement, NASA has finalized all partnerships for the four international CubeSats that will fly aboard the mission. The ATENEA CubeSat will collect data on radiation doses across various shielding methods, measure the radiation spectrum around Earth, collect GPS data to help optimize future mission design, and validate a long-range communications link.CubeSats are small but mighty - compact in size, they contain technology demonstrations or scientific experiments that can potentially enhance understanding of the space environment.In addition to CONA...