In the early 2000's the Illinois Railway Museum bought two R28 'Redbird' subway cars. By 2005 they were stored at the Cross Harbor yard in Sunset Park. Within a few months they were moved up Fresh Pond yard.
I'm not 100% sure why they were stored in either of these freight yards (perhaps they were going to be shipped out via rail, but were rejected for movement by the major railroads outside NYC), though they ultimately were shipped out via truck to the Museum - where they have been outfitted to draw power from an overhead trolley line, and restored to operational condition.
Before they left town, they sat on an old freight siding within the yard where ACC crew & SaneSmith caught up with them and tagged them up. The graffiti was painted over before the cars were loaded onto trucks and shipped out west in 2007.