As a military spouse she is allowed to use the military members state of residence if she chooses to do so. If the military member's State of Legal Residence is not Texas or another state that does not have a personal income tax, then she is required to file a Georgia state tax return since she has Georgia sourced income.
See this TurboTax support FAQ - https://ttlc.intuit.com/turbotax-support/en-us/help-article/state-taxes/military-spouses-state-taxes...
