Celebrity adventurer Bear Grylls has certainly pulled out all the stops with his popular visitor attraction, The Bear Grylls Adventure at Birmingham's NEC. 

Activities include high ropes, indoor archery, indoor climbing, axe throwing, escape rooms and a Royal Marines-inspired assault course.                                                                                                          

For the ‘more courageous’ visitor, there’s the Shark Dive, which involves getting ‘up close and personal’ with black tip reef sharks and cownose rays... 

...Or if you fancy experiencing the thrill of free-falling at 12,000ft, then iFly is for you.

We’re giving one lucky family (four tickets) the chance to climb, fly and zip their way through the holidays at the ultimate indoor activity centre.

Competition closes Friday 26 May.

Please answer the question below...

Which armed forces is The Bear Grylls Adventure's assault course inspired by?

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