Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
                         
      Cycle-1    
2004 AAS (Atlanta) Cycle-1 Proposals Due (2/14) Cycle-1 Proposal Review (May 3-7); Science Archive Opens AAS Topical Session @ Denver (June 1) Initial LegSci Products Delivered Initial LegSci Products Released Cycle-2 CP Issued, Spitzer New Views Conference GLIMPSE Legacy Data Release
                         
    Cycle-1       Cycle-2    
2005 AAS (San Diego) Cycle-2 Proposals Due (2/12) Cycle-2 Proposal Review (April 18-22) AAS (Minneapolis), LegSci Data Release LegSci Data Release Cycle-3 CP Issued, Spitzer Science Conference
                         
    Cycle-2         Cycle-3      
2006 AAS (Wash DC) Legacy Session Cycle-3 Proposals Due (2/16) Cycle-3 Proposal Review (April 24-28) AAS (Calgary) Cycle-4 CP Issued, Spitzer Science Conference
                         
      Cycle-3           Cycle-4      
2007 AAS (Seattle) Cycle-4 Proposals Due Cycle-4 Proposal Review Cycle-5 CP Issued, Spitzer Science Conference
                         
      Cycle-4           Cycle-5      
2008 Cycle-5 Proposals Due Cycle-5 Proposal Review 5-Year Anniversary of Launch
                         
                         
      Cycle-5 (estimated)         Cycle-6 (IRAC)    
2009