US forces in Iraq have launched a number of high visibility attacks against positions across the country in an attempt to curb insurgency in the country, which has increased during the holy month of Ramadan. In Baquba, about 36 miles north of Baghdad, two F-15 fighter jets dropped four 500-pound bombs sites suspected to have been used by militants. 'We had taken action on these targets before, but this is to demonstrate one more time that we have significant firepower and we can use it at our discretion,' said US military official Mark Young. 'They attacked us during Ramadan when we were willing to give them a chance, so this is our response,' he said.