What is the official name of the United Kingdom’s foreign intelligence agency, commonly known as MI6?

💡 Explanation:

The Secret Intelligence Service (SIS) is the official name of the United Kingdom's foreign intelligence agency, which is often referred to by its historic title, MI6 (Military Intelligence, Section 6). It is responsible for gathering foreign intelligence and undertaking intelligence operations outside the UK. The Security Service (MI5) is the domestic intelligence agency.