Simplify the following text for a Grade 7 native English-speaking person.
Original: Her father 's Air Force career took the family to Biloxi , Mississippi and Del Rio , Texas , before settling back in California when she was nine years old .
Simplified: Alba 's father was in the Air Force and his career caused them to live in many different places . They lived in Biloxi , Mississippi , and Del Rio , Texas before going back to California when she was nine years old .