From CNN.com:
Neighbors of Vice President Dick Cheney are being shaken and rattled at least once a day by mysterious blasts on the grounds of the U.S. Naval Observatory where Cheney lives.
The Navy says the explosions are part of a construction project that has been going on for several months now, but won’t say more because the project is classified.
More. Thanks to Michael Monnens for the heads up.
(Due to complaints about the legibility of italicized type on some monitors, I’m going to start indicating quoted material with indentation. Just so you know.)