The Soviet operations were hampered by the difficult terrain and bad weather.

The organisation of Soviet operations was also considered poor.

The nature of Soviet operations in the summer, 1943 was to gain the initiative and to hold it indefinitely.

Four published books provide detailed analyses of the Soviet operations.

The decline in Soviet operations represents a reversal of a long trend.

Advanced models are still used as the mainstay of Soviet orbital operations.

Soviet military operations are planned on a grand scale.

This was critical for the success of Soviet military operations in the autumn of 1943.

Gentlemen, we've had an interesting development today with respect to the Soviet naval operation that started yesterday.

He was able to protect numerous Soviet operations in Britain.