If you do not have a "Royal Navy" character, this card cannot be played from your hand.
You may choose 1 of your "Royal Navy" characters, and put it into your waiting room. If you do, look at up to 4 cards from the top of your deck, choose up to 4 "Royal Navy" characters from among them, reveal them to your opponent, put them into your hand, and put the rest into your waiting room.