Complex sentence: Task Force 44.3 escorted the remaining ships to Sydney, passing south of Tasmania; the escort was strengthened by "Jacob van Heemskerck" and the French destroyer "Triomphant" en-route.
Split into simpler sentences: Task Force 44.3 escorted the remaining ships to Sydney, passing south of Tasmania. The escort was strengthened by "Jacob van Heemskerck" and the French destroyer "Triomphant" en-route.