the rear admiral commanding the nearest US Navy carrier task force ordered American fighter planes, which were only fifteen minutes away, to fly to the defense of the Liberty; however, his order was countermanded by the commander of US Naval forces in Europe. The carrier admiral was George S. Morrison – the father of rock legend Jim Morrison. The admiral who countermanded the order was John S. McCain Jr. – the father of the 2008 Republican US Presidential candidate, John McCain III.
https://web.archive.org/web/20140710053341/https://my.telegraph.co.uk/silurian/silurian/10008355/The_USS_Liberty_Incident__1967/
Like father, like son. Disgraceful..