I love the one issue of "Special Missions", where it's basically Hama sitting down and explaining all this minutely-detailed stuff about how soldiers have to fight in real combat, and how all of the "standard training" utterly fails to prepare anyone. The Trade collection has a preamble by some guy who actually outlines the thirty-odd things he learned about the military JUST FROM THAT ONE ISSUE. Stuff like "always finish a full quart of water so the enemy can't hear your water sloshing around" and "always assume the enemy knows basic tactics, so don't always go to the most-natural ambush spot".
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Some great quotes are to be found here as well:
"Hmph! Fashion snobbery from someone who still wears a gold chain with an open shirt!"
-Cobra Commander, verbally-pwning Destro
"You could say that becoming a global terrorist leader was a step towards honesty for me!"
-Cobra Commander, discussing his start as a Used-Car Salesman
The Baroness & Firefly jump onto a Joe vessel to shoot them-
The Baroness: "For COBRAAAAA!"
Firefly: "For personal survival, and the promise of riches!"
There's also this great bit by Storm Shadow in another issue:
Storm Shadow: "Punishment and revenge simply continue the cycle of of ignorance and violence that created the problem in the first place. We, of all people, must abhor violence in all it's forms..."
Billy: "How can you say that? We're martial artists and warriors!"
Storm Shadow: "The only logical and rational purpose for mastering a martial art is to become non-violent. If we deny that violence is inherent to the universe, we surrender to it... we must instead strive to master it, and put it aside. We take no joy in it. We must love the goal, not the means.
Doesn't the warrior face the same paradox? Does the Doctor love the disease? Does the pious man love the sin? Nobody hates war as much as the warrior, for he has seen the ugly face of it. But in the end... he fights."Billy: "Then no matter what we do, we're wrong?"
Storm Shadow: "Absolutely. We are always in the wrong. Politicians and lawyers spend all their time apportioning out the blame, being careful to avoid any themselves... We are guilty. We are guilty in believing in something as obsolete, forgotten and despised as... honor."
Hama's Roadblock rules the world, too:
Roadblock & co. are in the American Embassy of a rioting foreign country, and actively watching rioters loot & pillage the Embassy. Their mission is to rescue the Ambassador, nothing more)
Roadblock: (spotting an arsonist about to set fire to the American flag) "Gotta stop the guy with the lighter..."
Psyche-Out: "Let him slide, Roadblock--"
Roadblock: "No way." (looks to guy) "Sir, would you kindly desist in your actions and leave the premises?"
(guy spits on Roadblock's head, then goes inches from the flag. Roadblock loads up his .50 calibre machine gun- WHICH HE USES AS A SIDE-ARM)
"I am obliged to be courteous... and persistent. Sir, you are wilfully attempting to destroy United States property. If you persist in doing so, I SHALL reduce your head to a fine mist."
Guy: "You're crazy! There are people walking out of here with IBM typewriters! Why don't you shoot some of them?
Roadblock: "Nobody ever died for a typewriter."
Stalker (arriving home to the anxious Joes after spending five months at a prison Gulag): "Dag! Look at all the long faces! Did something bad happen while we were gone? Is Nixon President again?"
But seriously, Stalker is the best character ever in this (Snake-Eyes gets all the hype because he's a God-Mode Mary Sue incarnate, but there are better characters). He does all kinds of awesome stuff:
-When a team he was leading was owned by Kwinn the Eskimo Mercenary and left stranded in the arctic, he came up with a plane to salvage parts from a broken-down airplane, fashioning a SNOW-GLIDER out of it's seats and tarp and junk.

-Killed a frickin' Central American Crocodile using only a knife, while going into a description of it's scientific name, WHILE he was bobbing up and down in the water. While dressed as Don Johnson.
-Woke up from unconsciousness (from aforementioned attack), and got angry at Ripcord for building a fire to warm him up and cook their food, ie. THE CROCODILE STALKER KILLED, "tightly-packed mud is just as good, and doesn't draw enemies to your location! And raw meat goes down just as easy to a hungry man", then showed the team how to build a proper trench (zig-zagged to defend multiple sides), then puts two dummies in it and lays traps around the whole camp for hostiles.
-Ordered Outback to leave him with two injured Joes (to protect them) in a Ruritania-style foreign country, and kept them alive through five months in a Gulag, THEN sniped the evil Sergeant holding them captive once Snake-Eyes sprung the whole gang.
-Led an impossible mission into hostile territory to rescue a left-wing anti-military diplomat, then browbeats Rip Cord for insulting her beliefs and that their mission was wasted on her once she starts to cry at the deaths her plight has caused ("she's fighting for our rights, same as you! If I thought for one second that her opinion of us would change when we rescued her, then I'd lose every last shred of respect I have for her!").