To Trump's apparent annoyment, the crowd gave the commuting a bigger applause than to the moving of the US embassy to Jerusalem.
They also criticized the UK government for not supporting the US attempt to reinstate the arms embargo and causing a rift with the US.
It will join the HMS Montrose and HMS Kent. The Monstrose has already been involved in warning Iranian IRGC fast boats from approaching UK-flagged ships.
The British tanker was crossing into the Strait of Hormuz when the Iranian boats approached.
Why would the IRGC, which is already designated a terrorist organization, launch a brazen attack when a British warship was nearby.