Step 1: Understanding the Concept:
The International Court of Justice (ICJ), located at The Hague, is the principal judicial body of the UN.
Step 2: Detailed Explanation:
The ICJ is composed of 15 judges who are elected by the General Assembly and the Security Council.
These judges serve a term of nine years and may be re-elected. To ensure independence, no two judges can be from the same country.
Step 3: Final Answer:
The ICJ has 15 judges.
Hence, the correct option is (A).