2025 Post-Show Report

IDGA’s Defense Logistics & Support Summit returned to the D.C. area this past September for two-days of thought leadership discussion around the future of multi-domain combat and the impact of technology-driven defense logistics.

2025 marked the conference's seventh year and proved to be the largest iteration yet, with over 270 attendees representing the U.S. Department of Defense, allied nations, and industry. The conference was a great success thanks, in large part, to support from the Defense Logistics Agency (DLA), whose top leaders steered conversation in the session room and maintained a welcoming presence in the exhibition hall.

Seven months earlier, IDGA’s 17th Operational Energy Summit took place in Bethesda, Maryland. The two-day event brought together 200+ operational and installation energy leaders from the US DoD, DoE, allied military, industry, and academia to discuss the current state of military energy and the path forward. The 2025 version of the event focused on a range of topics that included addressing the emerging threat landscape, contested environments, the role of innovative technology, and the challenges and gaps in defense energy to ensure support of military operations.

Now, in 2026, the two stand-out IDGA conferences will be combined into the Defense Logistics & Energy Summit. The two-day summit taking place September 22-23 in Reston, Virginia, will bring together the logistics and energy communities under one roof to discuss the future of defense logistics, procurement, operational and installation energy, and much more.

Before the conference, IDGA has created this report highlighting both the Defense Logistics & Support (DEFLOG) and Operational Energy conferences. We will look at key takeaways, on-site survey results, attending organizations, and a chance to meet the chairman of the 2026 Defense Logistics & Energy Summit.