Complex sentence: In June 1794 "Unité" completed repairs of damage sustained in the battle in St. Malo and Brest, and in the following months escorted merchant vessels along the coasts of France.
Split into simpler sentences: In June 1794 "Unité" completed repairs in Saint-Malo and Brest to damage she had sustained in the battle. In the following months she escorted merchant vessels along the coasts of France.