USA-186

USA-186 is an American reconnaissance satellite which is operated by the National [Reconnaissance Office]. Launched in October 2005, it is the first KH-11 Block 4 reconnaissance satellite.

Overview

The satellite launched as the last Titan IV launch and is last Titan rocket launch and ending its many decades of service to US National Security missions, future KH-11 mission will be launch on the Delta [IV Heavy] rocket.
KH-11 KENNEN also called Crystal is an electro-optical reconnaissance satellite which replaced the film-return satellites like KH-9 HEXAGON.