. >> reporter: 88 nine-year-old herb and 90-year-old christison is -- have a lot in common. navy vet was assigned to the >> we sent tony nine ships. >>> reporter: bowman was guarding the secret city and new mexico. >> we kept classified in atomic weapons there. >> reporter: the two never met during the war. that postwar, they live out their golden years in the same retirement community. >> the friendship that continues to blossom. >> i guess that is right. >>> reporter: it began in new mexico when the two quentin deadly became next-door neighbors. >> endless days of golfing and family gatherings until they moved to colorado. >> reporter: did you think you would see him again? >> know, i had not planned on have it, they would. he moved to the retirement community and in 2013, his wife died and herbs convinced him to move to the same community. today, the two are picking up where they left off. we asked them about the secret of their longtime friendship. >> we can talk to each other on the same level. >> we take each other for who we are and what we are. >> reporter: the type