In 2009, planned completion was projected for 2012; the same year, progress was made with stabilization of the existing Sarcophagus, which was then considered stable enough for another 15 years.
Planned completion was projected for 2012. This was in 2009. The same year, progress was made with stabilization of the existing Sarcophagus. The existing Sarcophagus was then considered stable enough for another 15 years.