Details about the reprocessing effort and expected duration will be posted to the USGS Landsat website (http://landsat.usgs.gov) when they become available.
Please contact USGS with any questions.
To contact the Landsat Project the email address is: email@example.com
Source: USGS Landsat Program
Northrop Grumman recently signed agreements to license three technologies from NASA related to satellite servicing.