Contains two endings, the second ending has 3 variations. The 1st one is how I initially played the game. They all are disturbing in varying ways. The meaning here seems to be that war changes people and that there a truly no winners. Choices often come down to the lesser of evils. But victory comes at what cost?
Video – Spec Ops – The Line Walkthrough Part 9 – Ch 15 Welcome & Epilogue – End Variations