(NewsNation) — Tuesday, Aug. 26, 2025, marks the fourth anniversary of the suicide bombing that killed 13 service members and nearly 200 Afghans in 2021 during the withdrawal of American forces from Afghanistan.

Lance Cpl. Kareem Nikoui, 20, was one of the service members killed in the Abbey Gate bombing. His mother, Shana Chappell, told NewsNation that on the anniversary of the bombing, she "thinks about everything Kareem's missed out on in the last four years and how that could have been prevented."

Chappell expressed frustration with the lack of information surrounding the bombing, stating that "not knowing the whole story and being lied to ... has made it a lot harder."

In May, Defense Secretary Pete Hagseth announced the Department of Defense would be conducting another review of t

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