Complex sentence: In 2004, she created the National Material Threat Assessment process for the US Department of Homeland Security that was required to functionally stand up Project Bioshield and put medical countermeasures funding on a rational basis.
Split into simpler sentences: In 2004, she created the National Material Threat Assessment (MTA) process for the US Department of Homeland Security. They were crucial for the issuance of a DHS Material Threat Determination and were required to functionally stand up Project Bioshield and put medical countermeasures funding on a rational basis.