Even in the military, you have a home state. She is domiciled in Arizona, you are domiciled in Washington. That one of the parties, at the time the action was commenced, was domiciled in this state, or was stationed in this state while a member of the armed services, and that in either case the domicile or military presence has been maintained for ninety days prior to filing the petition for dissolution of marriage. The conciliation provisions of section 25-381.09 and the provisions of article 5 of this chapter either do not apply or have been met. To the extent it has jurisdiction to do so, the court has considered, approved and made provision for child custody, the support of any natural or adopted child common to the parties of the marriage entitled to support, the maintenance of either spouse and the disposition of property.
Filing is based on residency.
Even in the military, you have a home state.