+
+* Wandering planet-killer as in "The Doomsday Machine";
+ see <http://www.ericweisstein.com/fun/startrek/TheDoomsdayMachine.html>.
+
+BSD-Trek features we haven't swiped yet:
+
+* The cloaking device.
+
+* Summoning Klingons to surrender and taking captives.
+
+* Automatic bugout sets your warp factor to > 6.
+
+* Smarter computer, with multiple requests.
+
+* There is a small probility that a nova event will leave a black hole.
+
+* Multiple laser banks and beam spreading.
+
+* Visual scans for when sensors are out.