In ships larger than destroyers, if H.Q.1 is put out of action, its functions are taken over by either a Secondary Headquarters (H.Q.2) or one of the section bases suitably equipped.
Kwinqanawe ezinkulu kune sitshabalalisi ukubangaba 1 H.Q.1 ikhutshwe kwisenzo, umsebenzi wayo uthathwa mhlawumbiyi Secondary Head quarters (H.Q.I.) okanye enye yesiseko socandelo esixhotyiswe ngokulungileye.