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The line\'s engaged viagra best buy levitra NASA was just slightly more prepared for its second flight, Mercury-Redstone 4. Gus Grissom, the astronaut for this mission, wore two pairs of rubber pants so that his urine would be contained in the reservoir between them. Though it worked, there was still room for improvement. At a conference held after Grissom\'s flight, NASA scientists agreed \"to make more rigid demands on urine collection.\"
