The U.S. involvement in the Soviet-Afghan War was significant, providing support to the Afghan Mujahideen forces. The U.S. provided weapons, training, and funding to the Mujahideen, which helped to turn the tide of the war against the Soviet Union. This support was part of a broader strategy to counter Soviet influence in the region and support anti-communist forces. While the U.S. did not have troops on the ground, its support was instrumental in the outcome of the war.