There is absolutely NO legal requirement for the Command to serve legal papers and the Command should know this.
See 32 C.F.R. 516.12 – Service of civil process outside the U.S.
516.12(c) Process of state courts. If a Department of the Army (DA) official receives a request to serve state court process on a person overseas, he will determine if the individual wishes to accept service voluntarily. Individuals will be permitted to seek counsel. If the person will not accept service voluntarily, the party requesting service will be notified and advised to follow procedures prescribed by the law of the foreign country concerned.