Millennium Force were installed to illuminate the ride. Twenty COLORado Range and ten COLORado Ridge wash lights were installed at the base of the lift hill structure. When it opened in May 2000, Millennium Force broke six world records and used a new magnetic braking system instead of friction brakes found on most roller coasters. This new system enabled the use of a shorter brake run, which slows the train from down to a standstill in six seconds. Millennium Force held the records for tallest and fastest complete-circuit roller coaster until August 2000, when Steel Dragon 2000 opened. Millennium Force held the
Ka-Bar The "1095 Cro-Van" steel used in the blades of contemporary Ka-Bars has a hardness of 56–58 HRC, while the guard and pommel are made from sintered 1095 carbon steel. Besides use as a fighting knife, the Ka-Bar has proved useful as a utility knife, for opening cans, digging trenches, and cutting wood, roots, wire, and cable. In 1995, the design was updated with a stainless steel blade, synthetic handle, and synthetic sheath marketed as "The Next Generation". As of June 2012 the "Next Generation" models have been discontinued. In 1999, Ka-Bar released the "D2 Extreme" version of their fighting knife,