U.S. President Donald Trump's top military official, General Mark Milley, has revealed that strategic military planning often takes months or even years to develop. According to Jin10, General Milley emphasized the complexity and time-intensive nature of military operations, highlighting the meticulous preparation involved in ensuring national security. This statement underscores the ongoing efforts by the U.S. military to adapt to evolving global threats and maintain readiness. The general's remarks provide insight into the strategic foresight required in military leadership.