 TACC is one of the leading partners in the XSEDE project, whose resources include more than one petaflop of computing capability and more than 30 petabytes of online and archival data storage.As part of the project, TACC provides access to Ranger, Lonestar, Longhorn, Spur, and Ranch through XSEDE quarterly allocations.TACC staff members support XSEDE researchers nationwide, and perform research and development to make XSEDE more effective and impactful.