The United States delivered material valued at more than $50 billion and had received in reverse lend-lease material valued at less than $8 billion. Reverse lend-lease from the UK included worldwide shipping services amounting to £163,944,000, and inland transport of £48,496,000; capital installations in the United Kingdom came to £222,800,000, of which £117,341,000 was spent on air fields for the U.S. Air Force. (The rate of exchange was £1 to $4).