A two-day classified Industry Day will be held on September 29–30, 2026, at Systems Planning and Analysis (SPA) in Alexandria, VA, to solicit industry input on payload integration for future submarines. The event focuses on technical solutions in logistics, launch/recovery, stowage, C3, platform integration, safety, and lifecycle design. All briefings and sessions will be conducted at the SECRET//NOFORN level; attendees must be U.S. citizens with a final active SECRET clearance. Companies must complete both email registration and a DISS Visit Authorization Request (VAR) by August 28, 2026. No budget information is provided, and this is not a request for proposals.