Complex sentence: About 80 miles north of Texel in the North Sea HMS Mermaid and HMS Fittleton were involved in an exercise involvng the two ships sailing close to each other.The Fittleton was caught in a bow wave and was drawn close to HMS Mermaid by hydrodynamic forces.
Split into simpler sentences: About 80 miles north of Texel in the North Sea HMS "Mermaid" and HMS "Fittleton" were involved in an exercise involving the two ships sailing close to each other. The "Fittleton" was caught in a bow wave and was drawn close to HMS "Mermaid" by hydrodynamic forces.