It's an open question whether they would have held it without the naval support.

Cornwallis would not want to cut himself off from his naval support.

It continued to provide naval gunfire support as a part of the operation.

This makes a successful siege by an army with no naval support almost impossible.

The landings were further secured by air and naval support.

But, at the very least, he makes a firm promise of naval and logistical support.

Without naval support, the Confederates were unable to hold the city.

Japan supported Zhang's forces, directly providing air and naval support.

"We should be able to stop a tank attack in the desert with our air power and naval support, not with ground force," he said.

Also, they emphasized the use of aerial and naval support in beach landings for the troops.