Washington- Pakistan’s ambassador to United States, Jalil Abbas Jilani has said that the US is aware of sacrifices rendered by Pak Army. Abbas said Coalition Support Fund (CSF) was provided for military operation against terrorism in Waziristan, adding the US thinks positive about this operation. Pakistan has a vision of economic revival and a peaceful neighborhood. It believes that economic development in South Asia cannot take place in an environment of tension, Jalil Abbas Jilani said.