 On 14 June 2001, the RSIP program reached a major milestone.After more than 10 years and the efforts of hundreds of people to develop, test, produce and field the RSIP capability, Gen. John P. Jumper, Air Combat Command commander, approved the designation of Initial Operational Capability of the program.Another major development in the history of AWACS occurred on 11 September 2001, with the terrorist attacks on the World Trade Center and the Pentagon.