Penobscot Expedition

Penobscot Expedition. The Penobscot Expedition was a disastrous American Revolutionary War campaign launched by the Province of Massachusetts Bay in the summer of 1779. Its objective was to dislodge a newly established British Army outpost on the Penobscot Peninsula in present-day Maine. The operation culminated in the worst American naval defeat prior to the Attack on Pearl Harbor, resulting in the complete loss of the expeditionary fleet and a significant humiliation for the Continental Congress.

Background

In early 1779, British Army officer Francis McLean was ordered to establish a fortification on the Penobscot Bay to create a new colony for Loyalist refugees and to secure timber supplies for the Royal Navy in Halifax, Nova Scotia. The construction of Fort George on the Bagaduce Peninsula threatened Massachusetts's claims to its eastern district and represented a strategic incursion. Upon learning of the British presence, the Massachusetts General Court, with authorization from the Continental Congress, hastily organized a combined land and naval force. The naval arm, a heterogeneous fleet of state warships and privateers, was placed under the command of Continental Navy Commodore Dudley Saltonstall. The land forces, consisting of Massachusetts State Troops and militia, were led by Brigadier General Solomon Lovell, with Paul Revere serving as chief of artillery.

The expedition

The American fleet, one of the largest assembled during the war, arrived at Penobscot Bay on July 25, 1779. General Lovell's forces began landing on July 28, engaging in a series of sharp but indecisive skirmishes with British defenders from the 74th (Highland) Regiment of Foot and the 82nd Regiment of Foot (1778). Despite achieving a lodgment on the heights near the fort, Lovell’s advance stalled, awaiting naval support to bombard the incomplete British works. Commodore Saltonstall, however, refused to risk his ships against the small but well-positioned British naval squadron anchored in the harbor, creating a fatal rift between the land and sea commanders. This protracted delay proved catastrophic. On August 13, a powerful British relief squadron from New York City under Sir George Collier arrived, comprising the powerful HMS *Raisonnable* and several frigates including HMS *Blonde*. Vastly outgunned, Saltonstall ordered an immediate retreat up the Penobscot River.

Aftermath

The retreat quickly turned into a panicked rout. The entire American fleet, trapped in the narrow river, was scuttled or burned by its own crews to prevent capture, with survivors fleeing through the wilderness. The defeat was total: all 43 American vessels were lost, and estimates placed American casualties at nearly 500, compared to minimal British losses. A subsequent court-martial in Massachusetts placed primary blame on Dudley Saltonstall, who was dismissed from the Continental Navy. Paul Revere, who had controversially left his artillerymen during the retreat, faced charges of insubordination and cowardice, though he was later acquitted. The British strengthened their hold on the region, establishing the colony of New Ireland, which remained under their control until the end of the war, as stipulated in the Treaty of Paris (1783). The financial cost of the lost fleet severely strained the treasury of Massachusetts.

Legacy

The Penobscot Expedition stands as a stark case study in failed joint operations, highlighting the perils of divided command and inter-service rivalry. The disaster effectively ended the naval career of Dudley Saltonstall and temporarily tarnished the reputation of Paul Revere, though his later fame from the Battles of Lexington and Concord eclipsed this episode. For the British, the successful defense solidified a strategic foothold in New England for the remainder of the conflict. The event is commemorated at the Fort George State Memorial in Castine, Maine, and the submerged wrecks of the scuttled fleet were designated the Penobscot Expedition Shipwreck Site, a National Historic Landmark studied by marine archaeologists. The expedition remains a significant, if somber, chapter in the naval history of the American Revolution.

Category:Naval battles of the American Revolutionary War Category:History of Maine Category:Conflicts in 1779