Improvisation
The second basic way to adapt is to improvise, to adjust to a situation on the spur of the moment without any preparation. Like anticipation, improvisation is key to maneuver warfare. Improvisation requires creative, intelligent, and experienced leaders who have an intuitive appreciation for what will work and what will not.
Improvisation is of critical importance to increasing speed. It requires commanders who have a strong situational awareness and a firm understanding of their senior commander's intent so that they can adjust their own actions in accordance with the higher commander's desires. Often we will find ourselves in a situation where our organic resources — weapons, vehicles, and so on — are not adequate to keep us moving fast. In France in 1940, German General Heinz Guderian put some of his infantry in commandeered French buses. On Grenada, when Army Rangers needed vehicles, they took East German trucks belonging to the Grenadian army. Sound unorthodox? There is nothing "orthodox" about failure due to an inability to adapt.
For instance, take the situation in which Marines of the 2d Battalion, 5th Marine Regiment, found themselves in the battle of Hue City, Republic of Vietnam, in February 1968. One of
