. >> my uncle and godfather, firefighter eric todd olson. e the names were read out again as they have beer since the attacks that year. fr to the unfurling of the flag, the nation stopped tember our collective loss. president trump marked the milestone inshanksville, pennsylvania. the vice-president was at the pentagon. amy cho looked at the ceremonies 17 years later. >> reporter: people from all over the world here at pentagon memorial today. every person we talked to said they are determined to never forget. ♪ a quietong t honor thousands of lives lost too soon. ♪ay mary she comes to the memorial every year around september 1th. >> to show my respect and to extend my love to the family member. if i c help one person and lift them up, that was my purpose. >> reporter: a purpose shared by all here today. these army veterans were in the pentagon during attack. they share a hug as they remember their friends who died that day.he >>were just good people. doing service to their country. which they loved. as we do. >> reporter: as the country ma

. >> and my uncle and godfather, firefighter eric todd olson.know you're looking out for us. [applause] [reading names] [reading names] [reading names] [reading names] [reading names] [reading names] [reading names] >> and my father, dwight. dwight is in heaven surrounded by loved ones, particularly his beloved sister. here he is missed by many especially his wife and his sons come his daughters in law, and three grandchildren, and his two and half week-year-old granddaughter. dad, you live on through us. thank you for everything. >> and my brother-in-law rick and bob. we miss you boys. [applause] [reading names] [reading names] [reading names] [reading names] [reading names] [reading names] [reading names] [reading names] [reading names] >> and my brother robert hughes junior. my brother robert, bobby hughes junior, it's been 17 years since we last saw your beautiful smile that had the power to engage and light up a room. not a second goes by where we all don't think if you and miss you. you helped someone in need. you are our hero and angel. t