The former astronaut nelson: "fund shortage problem is severe, NASA obviously can't complete the task to return to the moon by 2020.
In 2004, President bush proposed manned space program "constellation plan". According to this plan, the United States will win by 2015, the late than 2020 let astronauts back to the moon.
However, AFP reported, this grandiose plans for cost by huge suspended. Since 2004, since the "start" constellation plan, NASA has invested in this project 69 billion us dollars, and requires increased budget. President Obama government appointed an independent panel examine and comprehensive assessment, including "constellation plans to return to the moon, the research and development of new, more than the manned space program in the examination. The former astronaut, Florida senate bill nelson said: "the fund shortage problem is severe, NASA obviously cannot complete set of former President return to the moon by 2020 task."
The moon "that," "aldrin constellation plan" in theory, "very well," but insufficient funds. "If the United States still want to launch in the next generation of manned spacecraft by 2015, Obama, I personally think the charge, NASA should also be another raise 110 billion to $120 billion.