WASHINGTON (AP) — A British company hired to train Afghan intelligence officers billed the U.S. government for high-end cars, including Porsches and an Aston Martin, and paid the "significant others" of the firm's top executives six-figure salaries even though there's no proof they did any work, according to details of a Pentagon audit made public Wednesday.

Sen. Clarie McCaskill, D-Mo., said New Century Consulting also spent $42,000 on automatic weapons, using cash to get around a prohibition in the contract on purchasing the firearms, and showered other personnel with hefty pay and bonuses t...