Dears, winner DV meat the consoler, pass the interview and get the visa, DV2015 to him and he's derivatives then for any other reasons they couldn't go to US for the next 6 months, before the visa get expired can they visit the embassy again and renew it to go, he have some issues on he's work right now, so can he just renew the visa and the medical check up and get the airplan tickets to go finally?!?