These three photographs can be found at University of Washington’s digital archives. There are a few other jeep photos there as well.
According to the photos, the driver is Sgt. Ruby Chase. She was possibly recruiting young Hispanic women in June of 1944 to help sell bonds.
http://digitalcollections.lib.washington.edu/cdm/singleitem/collection/social/id/7826/rec/35
http://digitalcollections.lib.washington.edu/cdm/singleitem/collection/social/id/7822/rec/34
http://digitalcollections.lib.washington.edu/cdm/singleitem/collection/social/id/7831/rec/33
“SERGEANT”
My spell checker didn’t catch that one, but I take responsibility. Thanks Dave.