"Our best guess is that the tetryon field reacted to the probe's shielding, producing a massive graviton wave."
Dilemma - Space dilemma
Unless you have Astrometrics, Physics, and Cunning > 32 or Biology and 2 Medical, randomly select a Science personnel to be killed.
Characteristics: killer dilemma.
Card logging info: Logged by openCards team at Jan 1st, 2008.
"Graviton Wave" is a backward compatible card form the Second Edition expansion Call To Arms - ST1E compatible (Copyright 2003 by Decipher).
See collectors infos for this card in the Second Edition section under the UCT-ID: ST2E 3 C 13.
Also see here for all trade lists with any card fom "Call To Arms - ST1E compatible".