(a) Except for an order under section three hundred four of this article, except as otherwise provided in subsection (b) of this section, and consistent with the Service Members Civil Relief Act, 50 U.S.C. § 3931 and §3932, on motion of a deploying or other parent or any nonparent to whom caretaking authority, decision-making authority, or limited contact has been granted, the court may modify or terminate the grant if the modification or termination is consistent with this article and it is in the best interest of the child. A modification is temporary and terminates pursuant to the provisions of this article after the deploying parent returns from deployment, unless the grant has been terminated before that time by court order.(b) On motion of a deploying parent, the court shall terminate a grant of limited contact.