Which designation is associated with cargo aircraft?

The designation associated with cargo aircraft is "C." In the military aviation designation system, the letter "C" is used to identify cargo and transport aircraft. These aircraft are specifically designed or modified to transport goods, equipment, and personnel. They play a crucial role in logistics, enabling the military to efficiently move supplies and personnel to and from various locations.

For example, the C-130 Hercules and C-17 Globemaster III are well-known cargo aircraft that exemplify this designation, showcasing their capabilities in airlifting cargo and supporting operations worldwide. Understanding the designation system helps to distinguish the purpose of different military aircraft and their roles within the fleet.