There is a WWII oceangoing tugboat that is a part of the National Park Service. I believe it is based at Oswego on Lake Ontario. It has a massive and wonderful diesel engine with no transmission. The engine must be stopped and started in reverse direction in order to back up. Perhaps an internship on that boat is possible.

Here it is:http://www.hleewhitemarinemuseum.com/LT.html

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1977 300d 70k--sold 08
1985 300TD 185k+
1984 307d 126k--sold 8/03
1985 409d 65k--sold 06
1984 300SD 315k--daughter's car
1979 300SD 122k--sold 2/11
1999 Fuso FG Expedition Camper
1993 GMC Sierra 6.5 TD 4x4
1982 Bluebird Wanderlodge CAT 3208--Sold 2/13