NORFOLK, Va. — Iran and China operate lethally quiet diesel-electric submarines, carrier cripplers and the scourge of the surface fleet. Thankfully, so do navies from such South American nations as Brazil, Peru, Colombia and Chile. And under a seven-year-old agreement with the U.S. Navy, their diesel-electric subs regularly train in fleet exercises as opposing forces.

  • Please enable JavaScript for your browser in order to use navytimes.com.com.
Want to read more?
Current Subscribers
Access to Navy Times Prime is free for current Navy Times subscribers.
Log in
Haven't registered online?
Activate Account
New Subscribers
Start your subscription to Navy Times Prime for as little as 59¢ a week!
Subscribe
Start your day with a roundup of top defense news.

News for your in-box

Sign up now for free Military Times E-Reports. Choose from Money and Education. Subscribers: log in for premium e-newsletters.