Final answer:
The question involves geographical terms related to military installations and aviation, specifically around aerial defense systems and airfields with military aircraft. It includes identification of confirmed and potential SAM sites, as well as airfields hosting MIG aircraft and support facilities for military equipment.
Step-by-step explanation:
The subject matter presented in the question pertains to identifying and understanding various types of military installations and terminology related to aerial defense and aviation used within the context of Geography. When we come across terms like 'Obstruction top MSL (Mean Sea Level)' or 'Obstruction top AGL (Above Ground Level)', they refer to obstacles that could pose a threat to air navigation. These obstacles could be tall structures such as buildings or natural features like mountains that extend into airspace designated for aircraft flight paths and are often documented for safety reasons.
In a military context, a Confirmed surface-to-air missile (SAM) site is an area where the presence of SAM launchers is verified, indicating a significant threat to aircraft in that airspace. A 'Possible SAM site' would refer to a location where such a presence is suspected but not confirmed. This indicates the strategic importance and potential hazards in the given area. An 'Airfield with MIG aircraft' suggests a specific type of military base where MIG fighter jets are stationed, often pertaining to countries that use Russian aircraft technology.
A Support facility for processing equipment typically refers to a place where maintenance and support operations for military hardware are conducted, which can include anything from radar systems to the aforementioned SAMs. Understanding these terms is crucial for various operations such as military strategy, flight planning, and mapping for both civilian and military aviation.