Do you know what extension he's on? <a href=" http://www.budas.lt/ibuprofen-uses-medication.pdf#folded ">is it safe to take 800mg of ibuprofen daily</a> A defense source said the navy did not have a deep submergence rescue vehicle that other navies use to save trapped sailors, although in this case the incident occurred while it was docked and not in the deep seas.