Abstract
The White House Office of Science and Technology (OSTP), in response to recent Congressional action, assigned National Aeronautics and Space Administration (NASA) the task of: "(A) protecting the United States from a near-Earth object that is expected to collide with Earth; and (B) implementing a deflection Digital Object campaign. A "functional analysis" of the task was recommended. A planetary defense strategy was considered to such an analysis. Using lasers in space for planetary defense and space energy infrastructure will reduce the current cost of lift to orbit, remove debris from space, assist in rescuing astronauts in difficulty, and deliver energy to other resources in space, and possibly, even eventually to Earth.
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