Ultrasound has been used for medical purposes and experiments. The previous ultrasound, HDI 5000, was delivered to the ISS in 2001 and had expected its service life in February, 2012. Due to on-orbit ultrasound failure in February 2011, the delivery date of new ultrasound was moved to July 8, 2011, which is 7 months earlier than original delivery date. This report shows how the Ultrasound 2 team including myself worked to make new delivery date. Four-step approach, (1) understanding the project (literature search), (2) learning different documents, (3) performing certification tests and (4) participating crew trainings, were used to succeed my internship at NASA JSC. In addition, the participation in Summer Institution and other contributions are explained. i
