Aircraft carrier to pick them up. but england was short on aircraft carriers and asked them for them to be delivered its ally canada. the u.s. military flying the planes to canada would have broken the neutrality act. here's what happened. the united states flew them to the border, drained them of fuel and horses were used to transport them across the border where they were then refueled. that may then have followed the letter of the law but made it clear which side the u.s. would be supporting. two years later, japan ended the neutrality act by bombing pearl harbor. american support has been ...