Final answer:
The standard gallon capacity for an above ground fuel storage tank used at a military service station may vary depending on regulations and requirements. It is best to consult relevant authorities or military services for the specific standard.
Step-by-step explanation:
The question is asking about the standard gallon capacity for an above ground fuel storage tank used at a military service station. Unfortunately, the provided information does not specifically mention the standard gallon capacity for such a tank. It only provides information about the amount of gasoline that a typical tank might hold, which is about 50 L or 13 gallons.
However, it is important to note that the standard size or capacity of above ground fuel storage tanks used at military service stations may vary depending on the specific requirements and regulations of each station. It is always best to consult the guidelines and regulations from the relevant authorities or military service to determine the standard gallon capacity for such tanks.