There are many fewer day workers at Ft. Myer then at the Pentagon...in fact, a significant percentage of the people who live on Ft. Myer actually work at the Pentagon. I'd be inclined to doubt that whatever day care facility exists there has the capacity to absorb children from the Puzzle Palace...in fact, their Fact Sheet says the new facility won't open until 2 years from now, and they are scrambling to locate alternatives. Ft. Myer, BTW, isn't far from the Pentagon as the crow flies, but that crow doesn't have to deal with Arlington traffic.