Course Instructors

Meet the Experts

           Nathanael J. Greene (M.S. Mechanical Engineering, ISU) lives in Las Cruces, NM and is a Mechanical Engineer and Combustion Scientist. Nate is the program manager for composite pressure vessel and structure testing and is responsible for leadership of the internationally recognized WSTF Composite Pressure Vessel and Structures group. He is also involved in government and industry standards development and implementation including ANSI/AIAA S-O80, ANSI/AIAA S-O81A, ANSI/NGV2, ISO 1119, ISO 11439, DOT  CFFC, 571.304 CFR, MIL-STD-1522A, AFSPCMAN 91-710, KNPR 8713.1 and ECSS E32-02 and consults with NASA, DoD, DOE and Industry during the design, test and failure stages of composite pressure vessel and structure use. Before joining the WSTF team he worked in Structures at the NASA Johnson Space Center and in Fire Safety with NASA Glenn Research Center. 

     Tommy B. Yoder (B.S. Mechanical Eng., NMSU) is the composite pressure vessel and structures group leader for ongoing programs at NASA WSTF. This includes impact, stress rupture and sustained load testing of Kevlar®, Carbon, and Zylon® composite overwrapped pressure vessels (COPVs). He is also currently involved in the AIAA COPV and NGV2 standards working groups as well as a member of technical advisory groups for the NESC, STS, ISS, CEV, and NGV2 visual inspection certification. He was senior test conductor for the joint USAF/NASA COPV damage tolerance and detection program, APU Fuel tank fleet leader program, and the ATLAS V solid rocket motor case visual damage threshold program.

For course technical information, please contact Mr. Tommy Yoder (tommy.b.yoder@nasa.gov).
NASA Johnson Space Center
White Sands Test Facility
P.O. Box 20
Las Cruces, NM 88004
Phone: (575) 524-5790 Fax:(575) 524-5260

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