Original sentence: In depth information such as internal NASA memos, Flight Readiness Review documents, and Space Shuttle flight plans are added daily.L2 also has a simplified search tool, called the Tag Cloud.L2 has a database of documentation, graphics, data, information and video that, , is over 4 terabytes strong.L2 is a subscription service that provides access to even more in depth presentations and information
Edited sentence: L2 is a subscription database of documentation, graphics, data, information and video that, , is over 4 terabytes large.Unique information such as internal NASA memos, Flight Readiness Review documents, and Space Shuttle flight plans are added daily