The Department of Defense, through the Space Development Agency (SDA), is hosting the T2DES Europa Industry Day on February 10-11, 2025, in Lexington, Massachusetts, aimed at engaging prospective payload vendors for the Hybrid Acquisition for Proliferated LEO (HALO) program. This event will provide an opportunity for vendors with expertise in RF communications, systems engineering, signal processing, and antenna array design to present their capabilities and submit responses for attendance, fostering collaboration and enhancing vendor submissions. The Industry Day is crucial for gathering industry feedback to promote technological innovation in defense communications, with registration open from January 8 to January 22, 2025, and attendance limited to U.S. citizens with an active U.S. Government CAGE code. Interested parties can reach out to the primary contact at ussf.pentagon.sda.mbx.sda-ps-24-03@mail.mil for further details.