Dauser became a Navy Nurse in September 1917, subsequently serving with Naval Base Hospital Number 3 in the U.S. and in Edinburgh, Scotland during World War I, holding the grade of Chief Nurse for most of that period.

During the 1920s, Chief Nurse Dauser served on board several ships and in overseas billets in Guam and the Philippines as well as in naval hospitals in the U.S. She tended President Warren G. Harding during his fatal illness in 1923.

In July 1942, she was invested with the permanent relative rank of lieutenant commander.

In February 1944, her relative captaincy was changed to actual commission for the duration of the war plus 6 months.

[2] Captain Dauser was awarded the Navy Distinguished Service Medal for her work as Superintendent during World War II.