WASHINGTON - Houston Mayor Annise Parker has issued what she called "an appeal, not an attack," on the President of the United States.

In Washington D.C. for talks about the Obama administration's decision to cancel funding for NASA's constellation program, Mayor Parker also extended a personal invitation.

"I would strongly urge our president to visit Johnson Space Center," said Parker, who added that she didn't think the president had any ill intent when he did away the program. "Sometimes you don't realize the additional impacts the budgetary decisions can have."

Parker, surrounded by a bipartisan congressional, said canceling Constellation would result in massive job cuts for the Houston area and huge economic losses.

Rep. Al Green (D-Houston) agreed and argued the losses would be felt across the nation.

"Were also talking about jobs that may be lost nationally," said Green. "We're talking 30,000 or more jobs."

Many of those jobs are high-tech, high paying jobs.

"America can't continue to have the strongest economy in the world unless we recruit the best and brightest minds to science, technology, engineering, and math," said Rep. Kevin Brady (R-Houston). "That is what NASA does."

According to reports, NASA spent $9 billion over the last five years working on Constellation, which was designed to replace the Space Shuttle program.

Critics argue doing away with it, saying it would be throwing away Americas leadership in the space race.

"(Do) we want to raise the white flag of surrender and just turn over our leadership to somebody else like the Russians, like the Chinese? Even the Iranians have gone in space," said rep. Ted Poe (R-Houston). "When we landed on the moon, the first word was Houston. It wasn't Moscow, or Beijing, or Turan."

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