The probability of a fatal nuclear detonation is greater now than at any time during the Cold War. As the Russian military deteriorates, and as rogue governments and terrorists seek to acquire nuclear capabilities, the threat continues to grow.
If you look at the current Mosul campaign against ISIL, for example the few thousand troops that we have there to support that effort allows the Iraqi military to move forward in an effective way.
If I determine the enemy's disposition of forces while I have no perceptible form, I can concentrate my forces while the enemy is fragmented. The pinnacle of military deployment approaches the formless: if it is formless, then even the deepest spy cannot discern it nor the wise make plans against it.
One day President Roosevelt told me that he was asking publicly for suggestions about what the war should be called. I said at once 'The Unnecessary War'.
Never, never, never believe any war will be smooth and easy, or that anyone who embarks on the strange voyage can measure the tides and hurricanes he will encounter. The statesman who yields to war fever must realize that once the signal is given, he is no longer the master of policy but the slave of unforeseeable and uncontrollable events.