Recent developments surrounding the possible redeployment of U.S. Forces Korea (USFK) military assets to the Middle East have raised understandable concerns about South Korea's defense posture. Although no official confirmation has been provided, the unusual movement of large U.S. military transport aircraft at a USFK air base suggests that Washington may be preparing contingency plans as tensions escalate in the Middle East. Even if such redeployments prove temporary, the situation highlights a fundamental strategic challenge: maintaining credible deterrence on the Korean Peninsula while the United States engages in multiple global conflicts. Aircraft tracking data shows that several C-5 Galaxy and C-17 Globemaster III strategic transport aircraft recently arrived at and departed from Osan Air Base in Pyeongtaek, Gyeonggi Province. Some of them reportedly flew onward to U.S. military facilities in Anchorage, Alaska. While such movements can occur during routine logistics operations or large-scale exercises, the presence of the larger C-5 aircraft — rare visitors to the base — has