Yes, child custody arrangements can be modified for military families in Colorado if there is a significant change in circumstances affecting the child’s best interests. Changes such as job relocations, deployments, or the child’s evolving needs can justify a modification. The process involves filing a motion with the court, presenting reasons and evidence for the requested changes. Mediation and collaborative approaches, like co-parenting plans, are encouraged to resolve issues amicably outside of court. If mediation fails, the court will decide based on the best interests of the child.