Deadly flying parasites decimated the populations of Levinius
V, Theta Cygni XII, Ingraham B, and finally Deneva, where
they killed George Samuel Kirk and his wife, Aurelan.
Attacks half of Away Team (random selection, round up).
You may protect one selected personnel for each phaser,
disruptor, or unselected [Def] Borg present; others are killed.