secretary austin originally underwent a medical procedure on december 22nd, but was admitted to the hospital again on new year's d for severe pain, he spent time in the intensive care unit. the pentagon then neglected to inform the white house of austin's condition for three days. secretary austin issued a statement yesterday, saying quote, i commit to doing better. nbc's allie raffa is in delaware following the president. >> reporter: charles, fellow continues to grow tonight over defense secretary lloyd austin secret hospital stay. and days long treatment in the icu at walter reed medical center. criticism parting in from lawmakers on both sides of the aisle. the american public and the media calling for more transparency. tonight we're learning more about who knew what and when, the information is raising even more questions after the pentagon announced a 70-year-old austin was hospitalized the evening of