REFORGER 88 Certain Challenge End of an Era - The largest REFORGER Exercise ever The REFORGER 88 Certain Challenge field training exercise took place under the 'AirLand Battle' doctrine, at the army group level and was led by two corps: V (US) Corps and VII (US) Corps. It became the largest ever exercise of the REFORGER manoeuvre series, approximately 125,000 soldiers were involved: American, German, Canadian, French and Danish. The command and umpire sections alone were 10,000 strong. In the field were 15,000 wheeled vehicles, 7,000 tracked vehicles (including 1,095 M60, M1 Abrams, Leopard 1 and Leopard 2 MBTs), 795 anti-tank missile launchers, 400 artillery pieces, 92 M270 multiple-launch rocket systems and 631 helicopters (including 200 combat and anti-tank helicopters).
