I'm sure that your strong post will really frighten the Iranians now.
Your statements notwithstanding, your government will do nothing that even hints of force, so why be there?
I don't recall making a 'strong post'? I've only highlighted the UK's record in not giving in to hostage takers. With regards to your second post:
When US personnel were captured by Iran a while back, the US did nothing different to us. They have also done nothing to stop Iran's disgraceful arming of insurgents. So why is the US there?