Apart from the MH-60R nearly going straight in to the water (see the video) it is another salutary lesson of these days never knowing who could be watching when you decide to deviate from the Auth. Not sure how they got it back in to the air after that. Incident from 14 September.
Lake Tahoe is a large, very deep freshwater lake on the border between California and Nevada, it is also one of the most popular tourist atractions in the area come summer or winter, demonstrating a complete lack of imagination on the part of the erstwhile submariners.
Navy Investigates Videotaped Helicopter 'Dipping' Incident Into Lake Tahoe - ABC News
Video clip without the annoying ads here: