Metal Gear Solid 4 - Tokyo Game Show 2007 trailer

Meryl : The nanomachine network inside each unit member's body lets us share each other's senses.
Meryl : With SOP, my team can literally operate as one.
Meryl : So, what do you think?
Meryl : Is your age of Heroes finally over ?

Final mission of Snake

Snake : I'm no hero.
Snake : Never was.
Snake : Never will be.

"Finally, Everything Will Be Revealed !"

Meryl : You haven't changed at all, Snake.
Drebin : Pretty sweet, huh ?
Drebin : Whoa, hold it.
Drebin : Watch where you're pointing that thing.
Snake : Who are you?
Drebin : Neither enemy, nor friend.
Drebin : I'm a weapons wholesaler -- all shapes, all sizes.
Drebin : All you see here has been laundered.
Drebin : I take ID gun like the PMCs use and make some mods.
Drebin : Then you can use 'em without having to match ID's.
Drebin : In order words, I'm gun launderer.
Drebin : You can call me, Drebin.

"Metal Gear Solid 4"

Drebin : Privatizing the military's made the PMCs big and bloated.
Drebin : And the fatter the PMCs get, the line between civilian and the soldier is gonna get real blurry.
Drebin : The whole damn human race is gonna be green collars.