1 Martian 1: The Earth reconnaissance saucer has returned, oh leader!
1 Martian 2: Excellent.
2 Martian 2: What intelligence have you gathered on their military forces?
2 Martian 3: They form groups and are easily killed by evisceration.
3 Martian 3: The internal organs are quite tasty. They put up little resistance to our weapons, apart from a feeble "moo" of protest.
3 Martian 2: "Moo"?
4 Martian 2: You idiot! I said "investigate their battle", not "mutilate their cattle"!

2012-03-30 Rerun commentary: So that's why Aliens Steal Cattle!

This topic is so serious, the serious wiki even has an article about it.

This strip shows the ongoing development of the Martians into a slapstick trio, complete with one throttling another for stupidity.