These come from Space Gamer 47. Dice roll '12' porters have combat skill 1, endurance 2. In the last paragraph of this rule, fourth line, the reference to combat r220 should be r306 instead. Note that the die roll for desertion due to mark of Cain is made with just one die.
Introductory paragraph is completely wrong.
Instead, you can immediately elect to fight the character encountered, see r300. In second paragraph, second line, reference to victim selection should be r341, not r143. The eagle who joins is combat skill 4, endurance 3. All characters recover from sunstroke at the evening meal. Errata These are mainly typos that I have run across in the rulebook.