From now on, we should only commit to to Total, Unrestricted war or we dont do it at all. There is not point pansying about, Clausewitz and Sun Tsu said as much. The chinese bloke also pointed out that wars are costly, should be seen as an investment and if they dont prove to be worth the investment then your aims should be achieved in other ways.
Our Strategic objective was PURELY to safeguard the national security of the UK. We could have done that with limited involvement from the ground and judicious use of extreme prejudice from 30 grand. We didnt need to go sticking our oar in with an under resourced forces whilst already committed to a bloody sectarian war in Iraq.