Submarine aircraft carrier topic

Submarine aircraft carriers are submarines equipped with fixed wing aircraft for observation or attack missions. These submarines saw their most extensive use during World War II, although their operational significance remained rather small. The most famous of them were the Japanese I-400 class submarine and the French submarine Surcouf, although a few similar craft were built by other nations' navies as well. It should be noted that those submarine aircraft carriers which were actually built... full article at wikipedia