keesje, you need to learn something. American military aircraft are no longer assigned a bureau number or tail number, they are assigned a zip code.
It is more politically practical to support a program that fills jobs in America than to quibble over a marginal performance advantage. In rotary wing, engineers have been pushing back the performance margins inch by inch for the last twenty years, with diminishing returns.
What makes the Sikorsky sales pitch difficult is that even their low ball cost estimate puts them well out of either domestic option's range, so their major advantage is performance.
The ball is still in play ...