US military boffins have added cheap “fire and forget” autonomous seeker heads to basic, lightweight dumb rockets of a type which can be fired in large numbers. By seriously reducing the size and cost of smart weapons, this development is yet another big step towards changing the way wars are fought.

http://www.theregister.co.uk/2011/05/12/navy_spits_out_6kg_fire_and_forget_missile/