Security and Defense Conferences in Washington, DC
7 conferences and trade shows taking place October 2026 to January 2027. Each page carries the event’s dates, venue, who attends and what it costs, with a source for every fact.
The Aerospace Event 2026
The Aerospace Event is an aerospace and defense conference focused on the confluence of policy, technology and strategy.
October 12–13, 2026
AUSA Annual Meeting 2026
AUSA's Annual Meeting is a three-day conference and exposition connecting military leaders, industry innovators, policymakers, and international delegations.
12–14 October 2026
JuST Conference 2026
JuST Conference is an annual training conference focused on juvenile sex trafficking.
October 27–29, 2026
National Collegiate Security Conference (NCSC) 2026
NCSC brings college students together for diplomatic debates focused on security issues.
Security500 Conference 2026
Security500 Conference is a security-focused conference organized by Security Magazine.
Counter UAS Technology USA Conference 2026
A conference on technologies and strategies for countering hostile drone threats.
Apex Defence 2027
A defense technology event focused on operational challenges and mission needs.