231–232 Cresswell therefore arranged for the USAF to lend him a Sabre to simulate a MiG-15 in combat training with the Meteors at Iwakuni; he determined that the Meteor's manoeuvrability and rate of climb allowed it to match the swept-wing jet below 25000 feet , so the best air-to-air tactic would be to work in concert with USAF Sabres operating at high level while the Australians flew at lower altitudes.