Captain's Log, Stardate 1628.5. On our second day of traveling to Risa from Vulcan, an unidentified craft jumped from what can only be described as a partial warp or impulse attempted to attack us with a primitive weapon Spock described as "A primitive nuclear warhead device". The device bounced off of our shields and detonated in space. Interested in these new alien life forms, I, Bones, Spock, and Lt. Dregle beamed aboard to investigate. The lifeforms appear human, yet Spock and Bones informed me they are merely a robot of advanced design. Upon being discovered aboard their ship, one of these creatures (an extremely attractive blonde female) fired upon us, killing Lt Dregle. The remainder of us beamed back to the Enterprise and fired a single photon torpedo upon the ship. destroying it completely.