FMV cameras used by Group 1 UA are generally either electro-optical or ___________.

The correct response identifies that FMV (Full Motion Video) cameras used by Group 1 Unmanned Aircraft Systems (UAS) are typically either electro-optical or infrared. Infrared cameras are specifically designed to detect thermal radiation and provide images based on heat signatures rather than visible light. This capability allows for effective operations in low-light or obscured conditions, making them essential for various applications, including surveillance, search and rescue, and reconnaissance.

Electro-optical systems rely on visible light and are suitable for capturing clear images during the day. When combined with infrared technology, operators can engage in missions with enhanced situational awareness and adaptability to varying environmental conditions. This technological distinction is crucial for understanding the operational capabilities of different types of sensors used in UAS operations.

Other options like digital, multi-spectral, and thermal refer to different types of imaging technologies but may not directly fit into the context of FMV systems used specifically by Group 1 UAS as they primarily emphasize either electro-optical or infrared functionalities for practical purposes.