You can always save beforehand if you are really that concerned about your trumbles. Don't Panic, we wouldn't tell PETA about your trumble genocide if you happen to succeed, anyways.
I actually have a savegame called "Backup" which I saved before doing something. (I don't remember what.) I'll probably just do that.
Everyone is talking about eating them... Does that mean they turn into food?
"May Duralium ever stand between you and the Vacuum."
Or you could beam them aboard a klingon Bird of Prey
There's a Transporter OXP?
Most games have some sort of paddling-pool-and-water-wings beginning to ease you in: Oolite takes the rather more Darwinian approach of heaving you straight into the ocean, often with a brick or two in your pockets for luck. ~ Disembodied
There are tales, whispered in spacer bars by old-timers, of dead pilots found aboard derelict ships, their half-eaten bodies surrounded by trumble fur.
I would advise stilts for the quagmires, and camels for the snowy hills
And any survivors, their debts I will certainly pay. There's always a way!
