>> i used to come over the bridge from staten island and come to work and look at the skyline. for a long time there was nothing there. now actually it's -- it fills a void. it just makes you proud. show you we're not going to stand for it. >> dennis retired in 2002. >> even if 9/11 never happened, it's a tough job to leave. there's no other job like i. the brotherhood, camaraderie. he says not a day goes by without remembering. >> when my hid hits the pellow at night, i can see that plane hitting that tower. >> it's hard to believe they're not there. they're not there. >> that's etched in my mind and will always be there. >> the memories also used to haunt ron. he was promoted to chief the