In April’s ChainHomeHigh: United States of America – AN/APG-77 Upgrade Posted byThomas Withington March 5, 2013 Leave a comment on In April’s ChainHomeHigh: United States of America – AN/APG-77 Upgrade Share this:TwitterFacebookLinkedInLike this:Like Loading... Published by Thomas Withington Thomas Withington is a writer and analyst specialising in electronic warfare, radar and military communications. View more posts