1949
Part 4: The Trinity Offensives
On November 1, 1949 Free Americas forces began what would prove to be the decisive action of the war. Known as the Trinity Offensives, the campaign consisted of three different operations separated by thousands of miles. Taking advantage of the Free Americas undisputed control of the sea, General Henslee's plan was to apply simultaneous pressure on the two main ground fronts then, with the majority of Peruvian and Bolivian forces fixed along the front lines, make amphibious landings in the enemy’s rear to cut off their avenue of escape.
Operation Karma
In the predawn hours of November 1st, U.S. and Mexican aircraft began striking Peruvian troop concentrations and supply depots along the Maranon River. The following day tens of thousands of Ecuadorian and Colombian troops began advancing south liberating the cities of Nauta and Concordia after fierce fighting. In an effort to retake Concordia on November 6th, the Peruvians once again deployed chemical weapons. Their effectiveness however was greatly reduced by the widespread dissemination of gas masks and FA forces were able to retain the city. The heaviest fighting on the Ecuadorian front occurred along the coast where American vessels pounded Peruvian strong points in the cities of Tumbes and Talara both of which would fall by the end of the month. Less successful was a hasty Free Americas effort to capture the Peruvian city of Piura which met with failure, resulting in both sides digging in for a protracted siege.
Operation Carerra
Troopers of the U.S. 31st Airborne Division landing behind enemy lines
November 9, 1949
After months of trench warfare centered near the Chilean town of Chanaral, Free Americas forces were finally ready to resume the offensive. Named after the 19th century hero of Chilean independence, Operation Carerra began with a 30 hour aerial and artillery bombardment of Bolivian and Peruvian positions. At noon on November 8th Free Americas infantry swarmed forwared towards the enemy trenches. Although the majority of the attacking forces were Chilean, American troops played a decisive roll in breaking the stalemate. Especially effective were American cataphract units armed with the T5 Ocelot and T7 Puma which were well equipped to cross wire obstacles and reducing gun emplacements. Another important American contribution was the landing of elements of the 31st Airborne Division behind enemy lines. This was the first major use of airborne troops in military history but it proved a mixed success with roughly a quarter of the troops being “misdropped” by their aircraft. However, the threat of FA soldiers landing behind them and on their flanks severely unnerved the Peruvian and Bolivian commanders. After 8 days of tough fighting, Free Americas troops had effectively dislodged the enemy from their positions. Moreover, news of American and Mexican landings at Arica on November 15th threw Bolivian and Peruvian forces into a full fledge retreat to the north.
Operation Hippo
U.S. Marines hitting the beach near Arica
November 15, 1949
Operation Hippo would prove to be the most technically complex of the three offensives involving two separate amphibious landings on the Chilean coast. On November 15th, elements of the 1st Marine Division and a battalion of Mexican Naval Infantry landed amongst intense enemy fire at the port of Arica. Crucial to the landing’s success was the air cover provided by the presence of three American carriers, the USS Manifest Destiny, USS Abraham Lincoln, and USS Warrenton, that kept the skies free from enemy planes. By the end of the first day of fighting American and Mexican forces had penetrated as deep as 10 miles inland. Despite the heavy losses, the Arica landings were little more than a diversion for the larger landings to the south on November 17th at Antofagasta. After a short naval bombardment, Free Americas troops landed and immediately began pushing west catching the enemy by surprise. Despite the restricted terrain and the best efforts of the enemy, the city of Calama fell to FA soldiers after two days of bitter fighting on November 29th. The loss of Calama, effectively cut off the majority of the Peruvian and Bolivian forces in the south from their sanctuary to the north.
Taken altogether, the Trinity Offensives shattered the sense of stalemate which had characterized the ground war for the last eight months with the nations of the Free Americas taking the clear upper hand. In Lima and Sucre, fault lines in the ruling regimes widened as the prospect of victory or even a negotiated peace appeared to be worsening by the hour.
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