When the station officers discuss Nog's dependence on Vic Fontane, Lt. Ezri Dax' insignia change position. In the first three shots of her, the full one is on the left side of the black one. In subsequent shots they take their correct position. (Normally the full insignia are to the right of the black ones, which are similar to the half-stripes used in the US Navy for the ranks of Lieutenant J.G. and Lieutenant Commander.) See more
[Nog explains to Vic why he's afraid to leave Vic's Las Vegas holosuite program
When the war began, I wasn't happy or anything. But I was eager. I wanted to test myself. I wanted to prove I had what it took to be a soldier. And I saw a lot of combat. I saw a lot of people get hurt. I saw a lot of people die. But I didn't think anything was going to happen to me. And then suddenly, Dr. Bashir is telling me he has to cut my leg off. I couldn't believe it. I still can't believe it. If I can get ...