By the time I finished reading this post by Rick Knowles, I was ready to collapse. An excerpt:
Crossfit has several workouts named after military heroes, such as Lt. Michael Murphy (KIA in Afghanistan, June 28th, 2005). His WOD (workout of the day) is described as:
For time. Partition the pull-ups, push-ups, and squats as needed. Start and finish with a mile run. If you've got a twenty pound vest or body armor, wear it."