Here is a very interesting article on yoga (looks like they are also doing a little meditation!) offered for Marines and their spouses at Camp Pendleton, California:
To give some background, these types of programs are offered through the U.S. Navy Chaplain Corps' Spiritual Fitness Division (also formerly known as CREDO). These are available also to Navy and Coast Guard personnel. They do not cost anything to the participants. It's a positive note to see how these beneficial practices are helping our warriors and their families!