This is a limited-source procurement for Unmanned Aircraft System Intelligence, Surveillance, and Reconnaissance maritime services, to be awarded under existing Basic Ordering Agreements to four specified vendors. The work involves providing around-the-clock sensor data and support for combatant commands, domestic, and coalition military partners. The primary location for performance is not specified in the description. The anticipated period of performance is from 1 September 2026 to 31 January 2028, with four option periods extending through 31 August 2031. No budget information is provided in the description.