From Art of Manliness:

“Last week I took part in the GORUCK Constellation here in Tulsa. Unlike the GORUCK Challenge with its hefting of heavy logs and doing lots of push-ups and squats, Constellation is a scenario-based event in which you learn urban survival skills and the techniques of escape and evasion from former U.S. military special operators. The emphasis is on skill acquisition instead of beating you down.”

Read more here.