HMS Apollo was a batch 3B broadbeam Leander-class frigate of the Royal Navy. She was, like the rest of the class, named after a figure of mythology. Apollo was built by Yarrow Shipbuilders of Scotstoun. She was launched on 15 October 1970 and commissioned on 28 May 1972, making her the penultimate Leander.

HMS Apollo

 HMS Apollo was a batch 3B broadbeam Leander-class frigate of the Royal Navy. She was, like the rest of the class, named after a figure of mythology. Apollo was built by Yarrow Shipbuilders of Scotstoun. She was launched on 15 October 1970 and commissioned on 28 May 1972, making her the penultimate Leander.

Both Apollo and Ariadne are easily distinguished from the other Leanders by their 'witches hat' - fitted to the top of the foremast as a part of the electronic warfare array.

https://military.wikia.org/wiki/HMS_Apollo_(F70)