Robbins Air Force Base is identified by which ICAO code?

The correct ICAO code for Robbins Air Force Base is KWRB. This code follows the standard ICAO format, which begins with the letter 'K' representing the United States, followed by the specific location identifier. Robbins Air Force Base, located in Georgia, is designated with the allocation of "WRB," which corresponds to its local identification in FAA and military usage. The structure of ICAO codes dictates that they are unique to each airport or airbase, and the assignment of KWRB specifically reflects the existing regulations and systems used to represent airport locations around the world.

The other options do not match the ICAO designation for Robbins Air Force Base. KSAT corresponds to San Antonio International Airport, KCOF is the code for Columbia County Airport, and KPBF refers to Pine Bluff Airport, highlighting the geographic specificity and distinction inherent to ICAO coding.