Smoking on subs was only banned at the end of 2010. http://edition.cnn.com/2010/US/04/09/navy.smoking.subs/index.html http://edition.cnn.com/2010/US/04/09/navy

Smoking on subs was only banned at the end of 2010. http://edition.cnn.com/2010/US/04/09/navy.smoking.subs/index.html http://edition.cnn.com/2010/US/04/09/navy.smoking.subs/index... Apparently there were "smoking rooms" on (at least some) subs. https://tobaccocontrol.bmj.com/content/14/4/221.1 https://tobaccocontrol.bmj.com/content/14/4/221.1