LDSD Testing for Large Payloads to Mars http://www.nasa.gov/content/wallops/ldsd-testing-for-large-payloads-to-mars/#.U68Lq7GSCog
Fact sheet: http://www.nasa.gov/pdf/737628main_Final_LDSD_Fact_Sheet_3-26-13.pdf
"Back Engineered" no doubt.....