Archaeologists from the National Park Service and photographers from National Geographic have just completed a 10-day expedition to document interior portions of the U.S.S. Arizona that have previously not been seen since the ships’ sinking in 1941. The 608-foot long battleship sits in 40-feet of water and is one of the most well studied shipwrecks, but sections within the ship have been unreachable until now.

Woods Hole Oceanographic Institute and Marine Imaging Technologies built an ROV that can penetrate deep within the shipwreck and allowed the team to view portions never previously seen. The team also discovered some suprisingly well preserved items due to the low dissolved oxygen levels within the wreck.

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