Complex sentence: Dave joined the Royal Navy in 1979 and after active service in the Falklands War and elsewhere, retired as Commander in 1992, set up Mouse Records and formed Shut Up Frank with Mick Avory, Noel Redding, Jim Leverton, Richard Simmons and Dave Rowberry.
Split into simpler sentences: Dave joined the Royal Navy in 1979 and after active service in the Falklands War and elsewhere, retired as Commander in 1992. He then set up Mouse Records and formed Shut Up Frank with Mick Avory, Noel Redding, Jim Leverton, Richard Simmons and Dave Rowberry.