However, when compared to casualties sustained by 'Afrikakorps', they indicated sustained fighting.

His crews were exhausted; they were not used to such sustained fighting, and the loss ofZamfir andCusp had shaken them.

"The humanitarian consequences of sustained fighting in the area could be very serious," the United Nations Protection Force said in a statement.

The heaviest, most sustained fighting had been in the suburbs right on the edge of town.

The Korengal Valley has been the scene of sustained fighting between U.S. forces and insurgents.

This was a standard load calculated on 1 RAR usage rates which had been enough during previous actions, yet it proved insufficient for sustained fighting.

Although the battle witnessed some of the heaviest and most sustained fighting experienced by conventional Australian forces since the Vietnam War, they suffered no casualties.

During that battle, the battalion saw some of the heaviest, sustained fighting of the insurgency to date.

It proved a fitting finale to what had been the first period of sustained fighting in the war.

These units grew to include over 3,000 operatives by 2010 and have been involved in sustained heavy fighting against the enemy.