The turret does not rotate a full 360 degrees, so in ground-to-ground combat trying to manoeuvre the long-bodied Walrus around to get a firing position can prove frustrating.

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It also has a new gap above the eye to compensate for the helmet tilting forward when a soldier goes into the prone position before firing, and there are plans to fit it with mounting brackets.

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Blackpool, no doubt energised by an ear-bashing from boss Ian Holloway, made a bright start to the second period, with Luke Varney soon firing over the bar from a promising position on the edge of the area.

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Suarez, who is so prolific in front of goal for club side Ajax, was to squander further chances: hitting the side-netting from a tight angle from 10 yards and also firing straight at keeper Khune from a promising position 20 yards out.

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It was St Mirren who found the net shortly afterwards, however, Mehmet opening the scoring after 29 minutes by collecting another Robb cross from the left flank and checking into a better position in the box before coolly firing low into Smith's net.

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They adopted a tactical position to avoid any inference that after firing the first shot, Martin had followed the intruders before firing again.

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Monye started the last two games at full-back, having been switched from his regular position on the wing, but was moved out of the firing line against Argentina after a nightmare first half.

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As they position the electrodes, the doctors are able to monitor the sound of neurons firing.

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Jong was causing the usually unflappable Lucio all kinds of problems with his movement and pace and he turned sharply before firing straight at the Brazilian keeper, before Ri Kwang-chon dragged wide from a good position on the edge of the Brazil box after they had failed to clear a corner.

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