As the saying goes, nothing happens until somebody buys something. The Army spends tens of billions of dollars a year on everything from uniforms to combat vehicles. How it goes about acquisition, and moving all that material around the world, has a big impact on its effectiveness and readiness. Lt. Gen. Michael Williamson is the military deputy to the Assistant Secretary of the Army for Acquisition, Logistics and Technology. He joins Federal Drive host Tom Temin at the Association of the U.S. Army convention in Washington.