Ron I was just about to recommend heytred's posts. I believe he also has his food logs posted publicly, so everyone can see how he chooses and combines his MREs for making the best out of the situation.
Welcome Rico, and thanks for your service!
1) eat real food - more vegetables, moderate meat, moderate fruits, less grains, less sugar, less vegetable oils.
2) exercise - moderate intensity cardio, sprinting, heavy lifting, dedicated stretching and mobility.
3) live - relax, de-stress, meditate.
Disclaimer: I'm not professionally qualified to make any formal recommendations. I've just done my homework and I'm my own guinea pig. All of my data, unless otherwise cited, comes from a sample size of n=1 (me).