True or False: Aircraft carriers are noted for their slow speed.

The correct answer is that aircraft carriers are not noted for their slow speed. In fact, modern aircraft carriers are designed to be quite fast, typically capable of speeds exceeding 30 knots (about 34.5 mph or 55.5 km/h). This speed allows them to keep pace with faster naval vessels and to respond swiftly to various tactical situations.

Their ability to operate at high speeds is crucial for the effectiveness of naval operations, allowing them to launch and recover aircraft quickly and to maneuver effectively in combat scenarios. While they are large and heavy ships, which could lead to the impression that they might be slower, advanced engineering and propulsion systems ensure that they maintain a significant level of speed for their size.

The options regarding slow speed do not accurately reflect the capabilities of modern aircraft carriers. Hence, stating that they are noted for their slow speed is incorrect, leading to the conclusion that the answer is false.