Robert Rogers trained and commanded his own rapidly deployable light infantry force, which was tasked mainly with reconnaissance as well as conducting special operations against distant targets.

Nonetheless, a number of former ranger officers fought for the Continental Army as Patriot commanders with some participating as militiamen at the Battle of Concord Bridge.

Rogers' Rangers began in 1755 as a company in the provincial forces of the colony of New Hampshire in British North America.

In fact, the Nova Scotia ranger corps that Gorham's company belonged to operated in cooperation with units of Rogers' corps on several occasions, most notably when Moses Hazen's company joined Rogers' Rangers at the Siege of Louisburg in 1758 and the Siege of Quebec in 1759.

The Rangers sometimes undertook raids against French towns and military emplacements, traveling on foot, in whaleboats, and even on snowshoes during winter.

Israel Putnam (who would go on to later fame in the Revolutionary War) fought as a Connecticut militia captain in conjunction with Rogers, and at one point saved his life.

On January 21, 1757, during the First Battle on Snowshoes, Rogers led 74 rangers to ambush the French, capturing seven prisoners near Fort Carillon at the south end of Lake Champlain.

Rogers' men suffered casualties and retreated without further losses, since the French lacked snowshoes and were "floundering in snow up to their knees.

This episode gave rise to the legend of Rogers' sliding 400 feet (120 m) down the side of a mountain to the frozen surface of Lake George.

On July 27, 1758, between Fort Edward and Half-Way Brook, 300 Indians and 200 French/Canadians under Captain St. Luc ambushed a British convoy.

Following the October 3, 1759 attack and successful destruction of Saint-Francis, Rogers' force ran out of food on their retreat through the wilderness of northern New England.

They reached a safe location along the Connecticut River at the abandoned Fort Wentworth, where Rogers left them encamped.

He returned a few days later with food and relief forces from Fort at Number 4 (now Charlestown, New Hampshire), the nearest British outpost.

[15] In the Spring of 1760 the Rangers joined in Amherst's campaign on Montreal but before doing so conducted a successful preemptive raid on Fort Sainte Thérèse which was used to supply the French army as well as being a vital link in the communication and supply line between Fort Saint-Jean and the French forces at Île aux Noix.

The settlement and fort were then burned by Rogers following which French and Indian ambushes were repelled before their return to Crown Point with only minor losses.

During the bombardment of the island Haviland sent Rogers' four ranger companies as well as light infantry and a force of Indians to drag three cannon through the forest and swamps further down to the rear of the French position.

With much difficulty this was achieved and in a few days the guns were planted on the river-bank where a French naval force stood defending it.

[17] Rogers' cannon opened up upon these vessels surprising them; the closest sloop cut her cable and a strong west wind then drove her ashore into the hands of the British.

The other vessels and gunboats made all sail downstream but stranded in a bend of the river, where the rangers, swimming out with their tomahawks, boarded and took one of them, and the rest soon surrendered.

[18] Soon after the Forts of Saint Jean and Chambly were burned by the French; the Rangers then led the final advance on Montreal which surrendered without a fight the following month.

[20] After the conclusion of the American War of Independence, Rogers Rangers were granted tracts of land for farming in what is now Pownal, Prince Edward Island, Canada.