Reconnaissance (recce) patrols were the most effective solution that the British and Indian Army designed to identify Japanese units and their intentions, as these could move through the jungle without alerting the enemy to their presence.
I'm afraid you two will have to go on a bit of a recce sometime soon.
Take him down there with Entry Two and recce first. If he can't confirm it, we pull out.
I recce'd my range, which was intended to be used for pairs fire and manoeuvre, and generally got on with it.
A stout metal fence prevents any further exploration, but at the time the walk was recce'd you could hear water pounding away below.