As Biden closes out more than 50 years of public service, including 36 years as a senator, eight as vice president, and four as president, the last year in office proved fateful in some of his longest-held friendships. Here are four friends Biden reportedly lost last year:

Official White House photographers share exclusive images with PEOPLE, capturing memories from Joe Biden's time as president of the United States

President Joe Biden bid farewell to America in his final speech. Biden capped off his 50-year record of public service. The Hill’s Alex Gangitano joins Capitol Review to discuss his reaction to his final speech and how he will be remembered.