Titans, Vol. 1 #18A

Prisoners of War
The Titans have discovered that they were tricked into invading Karna, homeworld of the Gordanians. And Starfire was part of it. She's not proud of it, but she's also a warrior. The Gordanians make contact, offering the return of Tempest in exchange for a Tamaranian withdrawal, but the Tamaranians won't budge. They do trace the transmission, and when Flash finally finds Tempest, he gets a shock: Tempest doesn't want to leave! He's an ambassador and he wants to negotiate. Meanwhile, Ryand'r is becoming nervous, and the Titans soon learn why: he wants finish before the Gordanian army returns!
Release Date: 2000