[Answer] 6. What is the motto of the U.S. Marines?

Step 1 : Introduction to the question "6. What is the motto of the U.S. Marines?"

...1. Remember the Alamo 2. Semper Paratus 3. Semper Fidelis 4. This We'll Defend Semper Fidelis = "Always Faithful". Semper Paratus = "Always Prepared" and is the motto of the U.S. Coast Guard. "This We'll Defend" is an old motto of the U.S. Army.