- An exceptional German naval commander faces a unique situation in WW ll . Prince of Honor details the Battle of the River Plate (HMS Ajax, HMS Achilles and HMS Exeter against Panzerschiff Admiral Graf Spee.); documents Spee's raider cruise & scuttling in Montevideo; explains the evacuation of Spee's crew to Buenos Aires & Captain Langsdorff's suicide. Prince of Honor is the Definative book that ...www.grafspee.com