Annual funds are available for 1 year only and can only be used during a specific fiscal year; accept for end products that cannot be subdivided. Multi-year funds are available for a definite period in excess of 1 year, and are provided to acquire major systems, aircraft, ships, weapons, and long-range projects. No-year, continuing appropriations are used until funds are exhausted or purpose accomplished. These types of appropriations are used to acquire major items similar to multi-year appropriations.