The IEEE Transactions on Aerospace and Electronic Systems (T-AES) is pleased to announce a Special Section dedicated to high-quality extended versions of papers presented at the 2026 IEEE SPace, Aerospace and defenCE (SPACE) Conference, sponsored by the IEEE Aerospace and Electronic Systems Society (AESS); this Special Section aims to highlight the strongest contributions from the conference. Only the authors of the accepted papers at SPACE 2026 organized during July 19-21, 2026 in Bengaluru, India are invited to submit substantially extended versions including additional results, analysis, derivations, or experimental validation, with not more than 30% overlap with the content of their conference paper, for consideration in this Special Section. Topics of interest include those aligned with the SPACE 2026 conference scope and T-AES focus areas.