What Does AO Stand For?

AO stands for Oiler Underway Replenishment

AO, or Oiler Underway Replenishment, refers to a maritime operation involving supply vessels specifically designed to deliver fuel and other essential supplies to naval ships while they are at sea. This process ensures that naval fleets maintain operational readiness and sustain long-duration missions without needing to return to port for resupply. The AO vessels are equipped with specialized equipment to transfer fuel and commodities efficiently and safely in various sea conditions.

Other Meanings for AO