The picture has enough detail to show the seven-bladed prop. The image was photographed while the boomer was in dry dock at the Navy's base in Bangor, Washington.
This revelation might allow a reverse engineering opportunity for nefarious purposes.
In fact, submarine propulsion systems are engineered to operate as silently as possible and the design clearly is one of the Navy's most closely guarded secrets.
If you recall the movie The Hunt For Red October U.S. forces attempt to hunt down a Soviet submarine equipped with completely silent hydrojets with the drama hinging on the silent operation.
At least there were no topless sailors in the photo. In 2006, Google Earth caused quite a stir when the system photographed a Dutch woman sunbathing topless in her backyard.