This is not paticularly hard to do, generally I've accomplished it by the tenth or so mission, about mid-game. I have to count, but I'm not sure it's possible to catch up sooner then that.

On a side note, after you've finished the game with max number of kills, you can play through the campaign again with the same callsign and have ALL the advanced tech available to you. It's quite nice to play the early missions in a Shroud or a Reaper, and to have Solomons available.

plus keep on building up the kill count. and get those medals you might have missed out on.

I am the Death_man, the dark lord, the darkness in which all life dies and the bringer of insanity. In my spare time I manage a small pet supply shop.

Do you have to do anything special to be able to replay the entire game after beating and being on top of the kill board???