MIL-STD-461 is a military standard that outlines the requirements for the control of electromagnetic interference (EMI) in electronic equipment. It ensures that devices can operate effectively in their intended environments without causing or being affected by unwanted electromagnetic energy. This standard is crucial for maintaining the reliability and performance of military systems. The standard includes various test methods and limits for different types of equipment, addressing both emissions and susceptibility to interference. Compliance with MIL-STD-461 is essential for military contractors and manufacturers to ensure that their products meet the necessary operational standards for use in defense applications.