Operation Active Endeavour happened on 2001-10-04.
An active operation is one that is currently being performed.
As of now, there are no active space shuttles in operation. The Space Shuttle program was retired in 2011 with the final flight of the Space Shuttle Atlantis. Today, spacecraft like SpaceX's Crew Dragon and Boeing's Starliner are used to transport astronauts to the International Space Station.
No, active transducers require a power source for operation.
Currently NASA have three space shuttles Discovery, Atlantis and Endeavour.
Operation Askari happened in 1983.
Operation Python happened in 1971.
Operation Nicety happened in 1942.
Operation Albion happened in 1917.
Operation Colombo happened in 1975.
Operation Batman happened in 1942.
Operation Protea happened in 1981.
Operation Harling happened in 1942.