S.C. Code Ann. § 20-3-100

When either of the parties is a member of the armed forces and is serving without the continental limits of the United States, an affidavit by such party, taken before any officer of the armed forces authorized to administer an oath, to the effect that, so far as he is concerned, a reconciliation is impossible shall be accepted by the court in lieu of the certification that an unsuccessful attempt to reconcile the parties has been made.