11.   Veterans see and do things most people never experience, he said, and therefore feel an instant sense of empathy for each other.

12.   Veterans see the action as ominous.

13.   During their stay, the veterans saw U.S.-made Huey helicopters flying over small villages.

14.   Veterans are seeing their feats praised on billboards, shop windows and in radio tributes.

15.   When Vietnam veteran Robert Kinney saw reports of the bomb blast, memories of Vietnam came flooding back.

16.   In organisations throughout the country, older veterans have seen younger survivors of the Vietnam War and the Korean War join their ranks with less glorious stories of battle.

17.   Ten years on, remaining ACT UP veterans can see the fruit of their efforts.