A U.S. Navy submarine and U.S. amphibious ship collided in the Strait of Hormuz early Friday morning, March 20, 2009.Obviously, there are no specifics out yet, but if the submarine had that many people injured, it's safe to assume she was going faster that you might expect a submarine to go at periscope depth; or, if she was at PD, that she got spun over fairly far onto her side before righting herself.
The collision between USS Hartford (SSN 768) and USS New Orleans (LPD 18) occurred at approximately 1:00 a.m. local time (5:00 p.m. EDT, March 19).
Fifteen sailors aboard the Hartford were slightly injured and returned to duty. No personnel aboard New Orleans were injured.
Overall damage to both ships is being evaluated. The propulsion plant of the submarine was unaffected by this collision. New Orleans suffered a ruptured fuel tank, which resulted in an oil spill of approximately 25,000 gallons of diesel fuel marine. Both ships are currently operating under their own power.
The incident is currently under investigation.
Our prayers are with our fellow Submariners and their families.
Staying at PD...
Update 0806 21 March: Here's a detail from a picture of USS Hartford on the surface released by the Navy:

Staying at PD...
Update 0827 21 March: In this picture released by the Navy (check out the hi-res version for more detail), they appear to have the bridge manned, and have the National Ensign attached to the BRA-34 mast. That is really good news; no one wants to do a completely blind landing in Bahrain or wherever they're heading.
Update 1545 21 March: The Navy website has some more pictures of USS Hartford arriving in port at Bahrain, and all I can say is... wow; U.S. warships are certainly designed to keep operating even with substantial damage. You can see the pictures of the Hartford here, here, here and here. Pictures of USS New Orleans, which don't show any obvious damage like the ones of the Hartford, can be found here, here, and here. BZ to the Navy for releasing these pictures; if we have nothing to hide, as is the case here, there's no reason we can't let everyone know that's the case.
Update 0510 23 March: Strategy Page has a summary of the three "recent" submarine collisions in the SOH/Arabian Gulf. The comment thread here is becoming unwieldy, so I'm closing it; I think we've pretty much covered everything there is to discuss, absent more actual information being put out by the Navy.