The designation 'E' refers to which type of fixed-wing aircraft?

The designation 'E' in the context of fixed-wing aircraft specifically refers to Electronic Warfare. Aircraft that fall under this category are designed to conduct operations that involve electronic attack, electronic protection, and electronic support measures. These capabilities are crucial for modern warfare, as they help to disrupt enemy radar and communication systems, gather intelligence, and protect friendly forces from electronic threats.

Electronic Warfare aircraft are equipped with sophisticated systems that allow them to detect, track, and engage with various electronic signals, contributing significantly to the overall effectiveness of military operations. The role they play in the battlefield often supports ground and air forces, making them an essential part of a military's strategic capabilities in a conflict.