jsc2021e042551 (8/31/2021) --- Maya-3 and Maya-4 (Maya-3 in front) inside the Small Thermal Vacuum Chamber at the Center for Nanosatellite Testing, Kyushu Institute of Technology. The BIRDS-2S project consists of the Maya-3 and Maya-4 CubeSats, the first Philippine university-built cube satellites developed by eight graduate students under the Space science education and Technology Proliferation through University Partnerships (STeP-UP) Project.