Well I've been debating where to put this. But if I put it in the regulars bit I'll get ripped to threads. Anyway, here's the scenario. Just for a little excercise on private (not training area) land we're planning we're doing the odd mixture of troop defensive positions and E+E (since they're both on cadet sergeants board, but we never get time to do them on normal weekends). Just sitting down to start writing the excercise plan (nothing official mind, staff will take care of that) and I can't remember exact dimensions for a 4 man battle trench. Since I'm at work I can't check my TAMs. So, here's what I'm thinking, just not sure how right it is. 4m long 2m firing bay 2m shelter bay 1.25m depth 0.45m top cover on shelter bay 0.75m thick elbow rest around firing bay 0.5m firing platform 1.25m width Now, mainly its the depth, firing platform height and elbow rest height I'm confusing myself about. Any help from anyone?