The Great American Spring Cleaning is beginning Published April 21, 2010 By Airman 1st Class Daniel Phelps 20th Fighter Wing Public Affairs SHAW AIR FORCE BASE, S.C. -- The 2010 Great American Spring Cleaning will take place here from April 23 to 29. For more information, please look at the enclosed Power Point presentation by clicking on the following link. https://newafpims.afnews.af.mil/shared/media/document/AFD-100421-030.ppt