a colonel, eric jackson. they were in the same fraternity, their wives in the same sorority.me birthday. but never knowing one another until now. over the weekend, the three brothers finally coming together. i know emotion and army don't necessarily go together, but can you please tell me what it was like to finally meet each other in person? >> emotional in a way that it's really hard to put into words, to be honest with you, martha. but if i could sum it up in one word, that one world would be love. >> a number of emotions came to mind. i was raised as an only child, so i immediately had siblings. >> reporter: and there two of them now. his brother brian. >> when i first met robert, the first thing i can see is his mannerisms, his smile, his eyes. they all reminded me of my dad. >> reporter: and his fellow soldier, now a younger brother. who he outranks. eric, and do you still have to say yes, sir? >> it's funny, so every comment ended with yes, sir. yes, sir. yes, sir. and at the end of the conversation, robert said, "please stopcalling me, sir." >> reporter: father passed