The attackers' nightly raids and infiltration tactics became more frequent.

There was no time for infiltration tactics.

This technique is frequently used in clandestine operations, infiltration tactics, and guerrilla warfare.

The training included an emphasis on infiltration tactics and often involved tactical exercises conducted at night.

The infiltration tactics of the stormtroopers are still in use today, in one form or another.

Some historians consider the British infiltration tactics more sophisticated than the German system.

The Germans used infiltration tactics to get among the British, who were beaten back.

Japanese counter-attacks were made throughout the first few days of the battle, mostly at night, using infiltration tactics.

By 1917 the German army had begun employing new infiltration tactics in an effort to break the trench warfare deadlock.

Where possible they attempted an indirect approach, penetrating the defences using infiltration tactics.