What connects the guidance unit of the AIM-9X to the aircraft?

The AIM-9X missile utilizes an umbilical cable to connect its guidance unit to the aircraft. This umbilical cable serves multiple critical functions, including the transfer of data, command signals, and power between the missile and the aircraft's avionics system. It ensures that the missile can receive instructions from the aircraft, which is essential for targeting, guidance, and in-flight adjustments.

In contrast, options such as control cables and connector plugs do not encompass the full range of functionalities and connections required for the missile's operation. A power line might suggest a connection solely for electrical power, but the umbilical cable is specifically designed to handle comprehensive communication and control needs. Therefore, identifying the umbilical cable as the connector reflects an understanding of the integrated systems that allow for effective missile deployment and operation.