USAF C-17's = 120
US Regular Army = 500,000
Strategic lift Support Ratio = 1:4,166
RAF C-17's = 6
UK Regular Army = 100,000
Strategic lift Support Ratio = 1:16,666
US versus UK Strategic lift Support Ratio 4:1
Before we get too weepy eyed over the largesse being shown here, assume America always has twice as much kit than is necessary, it still leaves us doing the job with half the kit, but then 12 would almost be a Squadron wouldn't it?