The Obama administration has directed the military to not allow personnel to say “Christmas”, in spite of the holiday’s status as a federally-recognized holiday.
The reason given by armed forces officials is that not everyone celebrates Christmas and that out of respect for them, military members should refer to Christmas celebrations simply as “holiday”-themed festivities.
This prohibition comes in the context of a wider push for political correctness in society in general and the military in particular, as evidenced by the recent reprimanding of Navy Chaplain Wes Modder for simply discussing religion, as chaplains are wont to do, with military personnel.
See how servicemen have reacted to not being allowed to say Christmas at the link below:

Wtf!!!
It’s not true wackos
I have never been in the military. So I would like to say thank you to all the men and women who have served, serving and will serve. And also HAVE A VERY MERRY CHRISTMAS. stay strong, stay brave. Without you we would have no freedom. Again thank you.
He’s a Muslim Anyone surprised?
http://www.snopes.com/obama-military-christmas-ban/
Obama has underestimated the will of the America people. Obviously something Obama knows nothing about.
Get this SOB outa here !!
Tell him to stick it and don’t comply
Merry Christmas, you scumbag president
This is why you have to know who your voting for. A lot of people voted for this guy to be able to trample on our constitution. People voted like sheep being lead to the slaughterhouse.