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 will commute the sentences of nearly 2,500 non-violent drug offenders whose sentences were longer than they’d receive under current standards, the White House said in a statement on Friday.