Sentence 1: She then performed towing duties at the Washington Navy Yard , and initially served with the flotilla in operations against Confederate forces in the Rappahannock River .
Sentence 2: She initially performed towing in the Washington Navy Yard , and then served with the flotilla in operations against confederate forces in the Rappahannock River .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?