"We landed under the cover of night, stepping into the exact nightmare we had just watched on television,” said U.S. Marine Corps Sergeant Major Hector Rivera, reflecting on his unit’s arrival at Hamid Karzai International Airport in Kabul, Afghanistan, during his time as the senior enlisted leader of 2nd Battalion, 1st Marine Regiment, 1st Marine Division. “But piercing through that darkness, one sight cut straight to the bone: a young Afghan boy standing amidst the panic, holding a steadfast salute. He refused to lower his hand until all 300 Marines had stepped off our aircraft and marched into the darkness to hold the line.”To Rivera, that young boy he saw on Aug. 14, 2021, embodied those 20 years of partnership and served as a lasting