sentences:  Willys had intended for the yacht to have qualities that would make her desirable for use by the U.S. Navy, and had contacted the Navy about the possibility of selling her into naval service.The Navy initially was uninterested.However, after the United States entered World War I on 6 April 1917, the Navy decided to buy "Isabel", which it viewed as being not only highly suitable for use as a patrol vessel but also having characteristics similar to those of a destroyer.