F is for Flagship (and fathom!)
From Brian Lavery's Able Seamen - the lower deck of the Royal Navy 1850 - 1939:
A ship carrying an admiral and therefore flying his flag.(Lavery, p. 321)
My great-grandfather, Edwin Conner, served on two flagships - HMS Duke of Wellington and also HMS Victory. However I hasten to add this was not when the ships were in battle but rather when they were in port, serving as a training ships or general depot ship in the 1890s.
But they were both magnificent ships in their day.
Here I am as a small tot looking at the Victory with Great Aunt Win.
Last but not least, just in case you were wondering...a fathom is a way of measuring the depth of water and equals 6 feet or 1.8 metres.
I hope you've learned something today on the Blogging A - Z challenge.