What significant military operation took place under the Obama administration in Afghanistan?

The military operation that occurred under the Obama administration in Afghanistan and is most significant is the killing of Osama Bin Laden. This operation took place on May 2, 2011, when a Navy SEAL team, tasked with carrying out a covert mission in Abbottabad, Pakistan, successfully located and eliminated the Al-Qaeda leader, who had orchestrated the September 11, 2001, terrorist attacks.

The operation underscored the Obama administration's commitment to counter-terrorism and directly addressed the core mission of U.S. military involvement in Afghanistan, which was to dismantle Al-Qaeda and its affiliates. Bin Laden’s death was celebrated as a pivotal moment in the War on Terror and was seen as a crucial blow to Al-Qaeda, significantly impacting U.S. national security policy and foreign relations.

While other military strategies and diplomatic efforts regarding the Taliban and Afghanistan's stability were significant during Obama's presidency, none matched the historical impact of this operation in terms of its symbolism and the public’s perception of U.S. resolve against terrorism.