four of the five of this family. their mom is a first lieutenant in the army, serving in afghanistan. >> hugs and kisses? >> reporter: they've been apart six months now. aden and jacob don't quite grasp p. but colin understands too well. >> colin, it's like you're about to cry. >> why are you crying, honey? you miss your mom? >> reporter: since heather left, colin marks the days on his calendar. he can't tell you when she's coming home. >> i just keep track of how long she's gone. >> it's a fear, a worry, chris can't make disappear. but the events like the toy give-away, can help. >> it gives them that enjoyment of just getting something for no other reason than they're just a kid. >> reporter: under the tents, it