Those boats in the water today—it's the Coast Guard! "The U.S. Coast Guard will be conducting exercises in the East River, Hudson River, and New York Harbor between 9 AM and 3 PM on Tuesday 9/15/09. Expect additional Coast Guard vessel activity in these areas." Just be glad for the warning—DC didn't get one and CNN, after overhearing on the radio the words "you will be fired upon" and "bang bang bang," decided that shots were fired on the Potomac, started a Friday kerfuffle when it was just a training exercise the Coast Guard didn't disclose to the public (and apparently the news media).