An offshore supply vessel is a sea motor vessel used for transporting cargos, goods,
supplies, crews, and offshore exploration and production (E&P) across oil platforms.
OSVs support marine offshore drilling activities through transportation of offshore
energy resources, and they also facilitate the installation process of oil rigs. They are
mostly used by oil and gas companies for E&P activities. The OSVs are operated by
ship owners or by companies that take OSVs on lease. In addition, the OSVs facilitate
maritime logistics operations for different industries such as subsea and deepwater
mining.
Military aerial refueling (also called air-to-air refueling) is the process of pumping
aviation fuel from a military tanker to another military air platform during the flight. This
process allows the receiving aircraft to remain airborne for a longer duration,
supplementing the mission effectiveness. Owing to the growing investments in
developing long-range aircraft, the importance of maintaining sturdy fleets of aerial
refueling tankers has revived its importance among the defense ministries of many
countries across the globe.