Peter Oborne writes in The Daily Mail (20 March 2010) that:

In fact, only a relatively small percentage of the Armed Forces voted in the 2005 General Election.

Now, with a General Election barely seven weeks away, the same thing seems likely to happen again.

Disgracefully, Labour ministers were warned that the law discriminated against servicemen and women. Douglas Young, of the British Armed Forces Federation, published a brilliant document called Silence in the Ranks, which revealed the scale of the problem.

More from the same article:

Soldiers on the frontline face the prospect of being unable to vote at the forthcoming General Election. This is a direct result of the Government’s cack-handed and thoughtless system which governs their voting rights.