What type of vessels does the OPDS operate with?

The correct answer highlights that the OPDS operates with IPDS and AAFS. The Offshore Petroleum Discharge System (OPDS) is designed to facilitate the rapid and efficient transfer of fuel from tankers to land-based storage facilities.

IPDS, or Inshore Petroleum Discharge System, is specifically engineered to support this operation by providing secure and flexible methods for offloading petroleum products. AAFS, or Afloat Forward Staging Base, serves as a critical support platform for maritime operations, particularly in logistics and fuel distribution within naval missions.

This aligns with the OPDS's objectives of ensuring quick and reliable access to fuel resources during operational deployments, especially in environments where traditional fuel supply methods may be impractical. Understanding the functions and interrelationship of these systems is essential for effective petroleum supply operations in military contexts.