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In 1979, Congress authorized the FAA to work with major commercial airports to define [[noise pollution]] [[contour line|contours]] and investigate the feasibility of [[Noise control|noise mitigation]] by residential retrofit programs. Throughout the 1980s, these charters were implemented. | In 1979, Congress authorized the FAA to work with major commercial airports to define [[noise pollution]] [[contour line|contours]] and investigate the feasibility of [[Noise control|noise mitigation]] by residential retrofit programs. Throughout the 1980s, these charters were implemented. | ||
In the 1990s, satellite technology received increased emphasis in the FAA's development programs as a means to improvements in communications, navigation, and airspace management. In 1995, the agency assumed responsibility for safety oversight of commercial space transportation, a function begun eleven years before by an office within DOT headquarters. The agency was responsible for the decision to ground flights after the | In the 1990s, satellite technology received increased emphasis in the FAA's development programs as a means to improvements in communications, navigation, and airspace management. In 1995, the agency assumed responsibility for safety oversight of commercial space transportation, a function begun eleven years before by an office within DOT headquarters. The agency was responsible for the decision to ground flights after the September 11 attacks. | ||
===21st century=== | ===21st century=== |
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