USS Moloch (NCC-522) was a Saladin-class destroyer on active duty in Starfleet during the late 23rd century. (Star Fleet Technical Manual) In 2276, Moloch and USS Shaitan were the two destroyers assigned to assist USS Reliant in investigating the attack on Psi Scorpii VIII. (Orion Press: Liberation from Hell) During the Kelvan War in 2285, Moloch was assigned to Task Force Six and was destroyed by the Kelvan Third Armada. (Orion Press: In Harm's Way)