The crossing of the Saint Lawrence by the American troops was observed by Quebec militia, who alerted British troops at Trois-Rivières.

It was not until journalists alerted French troops to the ragtag band of 400 that a patrol was dispatched.

As a soldier in Australia during World War II, he devised a system using flares that alerted troops of brush fires.

An example of this is when commandos Warden and Joyce hunt a fleeing Japanese soldier through the jungle, desperate to prevent him from alerting other troops.

Louis Haefliger prevented the forceful eviction or blasting of Mauthausen-Gusen by alerting American troops, thereby saving the lives of about 60,000 inmates.

The Danish Sirius Patrol guarded the northeastern shores of Greenland in 1942 using dogsleds, detecting several German weather stations and alerting American troops who then destroyed them.

We think so - I think so - but . . . but, hell this is virgin ground, his ships, and he won't alert troops.

I've been researching dogs in warfare for my book about Rin Tin Tin, and I've read many accounts of their heroics: carrying messages through battle, alerting troops to enemy planes, and even parachuting behind enemy lines.

Additionally, the abortive attack of the previous day alerted German troops in the area to the impending assault, and they were better prepared than they had been in the Canadian sector.

He was an express rider who alerted troops of the coming Battle at King's Mountain.