The Mendora Nebula was a nebula containing a space station. Andorian and Nausicaan smugglers, led by Thress, who were linked to an assassination attempt on the Klingon High Council, were present aboard the station. A member of the elite Klingon Honor Guard tasked with finding the assassins hid themselves inside a cargo pod outbound from the nearby planet Qualor II, in order to infiltrate the station. (ST video game: Klingon Honor Guard)