Global Defense & National Security Systems, Inc. (Nasdaq: GDEF) was a blank-check company that completed its initial public offering in 2017, targeting acquisition opportunities in the defense, government services, and national security sectors. Sponsored by Global Defense & National Security Systems LLC, the vehicle was led by a management team with backgrounds in defense contracting and government advisory work. The April 2018 8-K filing, accession number 0001193125-18-114889, represents a material disclosure event during the SPAC's active search period. GDEF pursued targets aligned with U.S. defense modernization and intelligence community spending trends. For the complete filing history, sponsor disclosures, and transaction timeline for GDEF, sign up for full data access at SpacDesk.