NASA Assessments of Major Projects GAO-17-303SP Published: May 16, 2017. Publicly Released: May 16, 2017.
NASA Assessments of Major Projects GAO-16-309SP Published: Mar 30, 2016. Publicly Released: Mar 30, 2016.
NASA Assessments of Selected Large-Scale Projects [Reissued on March 26, 2015] GAO-15-320SP Published: Mar 24, 2015. Publicly Released: Mar 27, 2015.
