Lunar elevators made out of steel (was LEAG [...])

> " ... LADDER currently is planned to be executed in a single Discovery class mission, starting with the delivery of 11,000 kg of Zylon HM fiber plus associated equipment to the L1 Lagrange site."

It wouldn't need so much exotic fiber if the micro-g portions of the elevator were made instead out of metal. Rocket fuel-tanks are made out of metal, so there's a convenient source of supply for building materials.