Run II luminosity progress

The Fermilab tevatron collider run II program continues at the energy and luminosity frontier of high energy particle physics. To the collider experiments CDF and DO, over 3 fb-1 of integrated luminosity has been delivered to each. Upgrades and improvements in the Antiproton Source of the production and collection of antiprotons have led to increased number of particles stored in the recycler. Electron cooling and associated improvements have help make a brighter antiproton beam at collisions. Tevatron improvements to handle the increased number of particles and the beam lifetimes have resulted in an increase in luminosity.