ناو‌های نظامی آمریکا در دریای عربی تزاریک به اجرا می‌پردازند (Note: The original English text provided does not contain the full sentence to complete the translation accurately. The given text describes the presence of U.S. warships in the Arabian Sea, but the sentence "Over 20 U.S. warships are enforcing the blockade against" is incomplete and lacks a target or reason for the blockade. Therefore, the translation provided reflects the described action of enforcing a blockade, but without specifying the target or reason as it is not given in the source text.)