Question: While the ST Aero MAV-1 is a low observable Unmanned Air Vehicle prototype developed between ST Aerospace and Defence Science and Technology Agency, what is designed to avoid detection using a variety of technologies that reduce reflection/emission of radar, infrared, visible light, radio-frequency (RF) spectrum, and audio?
{'answer': 'Stealth aircraft', 'supporting_facts': [['ST Aero MAV-1', 0], ['Stealth aircraft', 0]]}