On the other side of the argument, many service members and their advocates argue that 20 years service in order to obtain full retirement pay is an excellent incentive to keep trained, able-bodied people in the military.
Running is easy to get into and available to practically any able-bodied person looking to get in shape, but there's also a whole slew of psychological benefits to running you may not be aware of.
There is a strict list of requirements that includes criteria for household income as well as countable resources and work stipulations for able-bodied adults.
With a crowd of seniors who are able-bodied or even wheelchair-mobile, dancing and music provide an ideal way to get both exercise and entertainment.
If you know a couple able-bodied people, this could save you some money.