america's organanic pioneerers,d new models s for food productio. coming up p on "earth focus." [music] >> it's importrtant to me that war doesn't define who i am. i don't want to spend the rest of my life just being a guy who fought in the war in iraq. >> in n november wewe were orded to once again hit fallujaja. and that was just complete chaos. most reporters caught, you know, six days in falluja. for most of us it was more more like 3 to 4 weeks of intense combat. and by the time we were done, we had lost 33 marirines and the c city was in bad shape. it was pretty much destroyed. >>>> we have a film. wewe like o say that in a w world full of problems, "ground operations" is a story about solutions. we have a lot of veterans coming back from b both from iraq, who have beeeen here for a while, ,d frorom afghanisistan, who are cg hhome now. pptsd often doesn't show upp riright away. it cacan be a year or two or r e before itit really statarts to show up. >> you're always on alert. you know, you're thinking of the worst scenarios that are gonna hahappen. [explososion] wwhoa! >>