If you fail to accept the military agency’s settlement offer or the federal agency rejects your claim you have six months from the date on which the decision is. If you or a family member are the victim of medical negligence or suffered serious personal injuries as a result of the negligence of a federal employee, you may be able to bring a claim against a federal agency, like the department of veterans affairs, the department of. Web yes, the army, navy, or air force can be sued in certain circumstances. Web suing the military is no easy feat. But did you know that service members, or their families on their behalf, can’t always sue the military.