No, these Brave Young Men are not trying to take away anyone's freedom but simply stating that they do want to be discriminated against nor required to recognize a God that they do not believe exists.
And, as I read the First Amendment it not only provides Freedom of Religion but also Freedom From Religion.
As for the Fine Brave Men fighting for our Freedom and Safety in Iraq and Afghanistan, they are all heros no matter what their Religion of lack thereof.
*Freedom from religion*
You read the constitution like the USSC (stuffed with liberal activists from the FDR administration) do...
Perhaps you should read up and study some history....
Start with George Washington, John Adams, or perhaps Jefferson.
Our Constitution strictly forbids the law (or the liberal judiciary-atheists-queers et al) from prohibiting the free exercise of religion. (notice the period!) "Our constitution was made for a moral and religious people, and is wholly inadequate to the government of any other- John Adams