21ST Century and Beyond (1 ene 2000 año – 7 jun 2021 año)

Descripción:

After being attacked on September 11, 2001, only days after the world celebrated the beginning of a new century, the United States would be thrown into its longest war ever. The war on terror would be a never-ending fight against an enemy with no traditional frontiers, with unmanned aerial vehicles emerging as a key component of the Air Force's air campaign.

Añadido al timeline:

fecha: