In the heart of Mexico, a silent revolution is unfolding, one that is visible in every corner of the nation—from the bustling airports to the serene parks, from the rural landscapes to the urban streets. The Mexican military has grown to become the largest and most potent force it has ever been. Under the presidency of Andrés Manuel López Obrador, commonly known as AMLO, the armed forces have taken on over 100 functions that were once the domain of civilian governments and authorities.