The foibles of politics and the march of time can turn friends into enemies just as easily as the wind changes. Ridiculous, isn't it? Yesterday's ally becomes today's opposition. And this Cold War? Think back... when I was leading the Cobras, America and Russia were fighting together. Now, consider whether America and Russia will still be enemies in the 21st century. Somehow, I doubt it. Enemies change along with the times, the flow of the ages. And we soldiers are forced to play along...
— Metal Gear Solid 3: Snake Eater