What is the primary purpose of the nomenclatures OE-254 and COM 201 B?

The primary purpose of the nomenclatures OE-254 and COM 201 B pertains to antenna systems, specifically those utilized by the Marine Corps. The OE-254 is a family of antennas that is designed for tactical communications, providing effective radio transmission and reception capabilities in varied operational environments. The COM 201 B designation typically refers to a particular model of communication equipment that includes antenna systems, further emphasizing the focus on facilitating communication for military operations.

These nomenclatures detail specific equipment that is central to ensuring reliable communication in the field, which is essential for coordinating operations and maintaining situational awareness. This understanding helps in recognizing the importance of specialized communication systems in military applications, distinguishing them from the other concepts listed in the options that relate to electronic warfare, procedural communication words, or modulation techniques.