Announcement: JOINT BASE SAN ANTONIO-LACKLAND, Texas -- Air Force officials recently announced the postponement of the 2020 Defender Challenge, originally scheduled for May 11-15 in San Antonio. "Air Force Defender Challenge 2020 is postponed to comply with health risk mitigation associated with the global COVID-19 pandemic," said Brig. Gen. Roy Collins, Air Force director of security forces. He added, "Details about the rescheduled competition will be released once we ensure the continued safety of our Defenders, families and mission accomplishment. Stay Safe!"