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The concept of amphibious reconnaissance, or commonly amphib recon, are used primarily in conjunction with ground and naval reconnaissance concerning the littoral area bordering coastal or maritime areas of interests. Initially, it is used for preliminary reconnaissance in collecting pertinent information about the beachhead in its permeability and usability for main landing assaults. Specialized recon patrols skilled in boatswain and combatant diving using either amphibious vehicles or combat rubber crafts to obtain and collect information of the enemy, the topology ashore and inland, and hydrographic surveys for underwater obstacles and mines, and for the purpose of effecting a deception.

Contents

History

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Evolution of the Doctrine

The turn of the 20th Century, amphibious reconnaissance was first conceived from an idea from a United State Marine officer by the name of then-Major Dion Williams. Williams referenced the purpose of amphibious reconnaissance by standardizing the 'official' naval doctrine of amphibious reconnaissance[1] of amphibious warfare in 1906. The scope of the doctrine outlined every aspect that involved recognition of intelligence gathering and planning, the cornerstone of America's present-day methods in amphibious reconnaissance.[2]

Although very little effect of creating a formidable unit capable in utilizing amphibious reconnaissance tactics because the outset of World War I and the Gallipoli Operations due to the lack of Marine Corps personnel by the Isolationism of 1920-30s. Also drawbacks concurred while most of the Marine forces were engaged in conflicts of China and Nicaragua. By 1933, December 7, when the Fleet Marine Force was formed at HQMC in Quantico, VA combining the roles of the Navy and Marine Corps into an integrated naval assault force. Shortly after, a new naval doctrine, the Fleet Training Publication 167[3] was created to ensure long-term purposes.

With this new amphibious reconnaissance doctrine, the United States Navy and Marine Corps began to consider establishing highly anticipated reconnaissance units.The origins of reconnaissance within the United States Marine Corps had evolved from an idea by Major Dion Williams who, in 1906, wrote the first American doctrine concerning amphibious reconnaissance.[4][5] He specified in his thesis that…

"…talented and experienced men should be assigned to this work, listing among the requisite qualities a thorough technical knowledge, a quick and energetic nature to ensure the work is accomplished without unnecessary delay, a sufficient resourcefulness to overcome unexpected obstacles, a reticence to ensure results are kept confidential, and above all, exactitude of work".[5]

These Marines particularly needed to be competent in surveying, cartography, and recording observations, as well as reading previous maps and surveys of various types.

Williams' doctrine outlined a wide spectrum of reconnaissance, which consisted of range determination, topography, configuration of the ground, cities, towns, roads, trails, railroads, telegraph cables, telephone lines, wireless telegraphy, rivers, canals, resources (coal, repair facilities, land transportation, electric plants, food supplies, water supply, and hospitals), conditions of the harbor and harbor steamers, wharves, docks, water service, the population (secret service, professions and occupations, naval and military forces), existing defenses (location, form and description, armament, fieldworks, mines and mine fields, searchlights, plans and sketches, garrisons and forces available, methods of attack, adaptability of the defenses).[4] And the most important he listed was hydrographic reconnaissance:

"In order to prepare intelligent plans for the attack or defense of a harbor or bay, it is necessary to have at hand a comprehensive description of the hydrographic features and accurate charts showing the depths of water at all points, the reefs, rocks, shoals, and peculiar currents which constitute dangers to navigation, and the tributary streams and channels which may form avenues of attack or furnish anchorages for a portion of the floating defenses or auxiliaries of the defenders."[5]

After World War I, three significant aspects of the second edition of Williams' Naval Reconnaissance[6] included (1) discussion of additional capabilities of observation from airplanes and submarines, (2) promulgation of the book under authority of the Secretary of the Navy instead of under the auspices of the President of the Naval War College, and (3) emphasis on information acquisition for long-term planning.[4] It was this latter emphasis on obtaining information long before hostilities that was perhaps of greatest significance. Rather than obtaining information solely for military operations in progress, Williams now enunciated a more comprehensive mission:[4]

The object of the naval reconnaissance of any given locality is to acquire all of the information concerning the sea, land, air and material resources of that locality, with a view to its use by the Navy in peace and war, and to record this information that it may be most readily available for: the preparation of plans for the occupation of the locality as a temporary or permanent naval base; the preparation of plans for the sea and land defense of the locality when used as such a base; or the preparation of plans for the attack of the locality by sea and land should it be in possession of an enemy.[6]

Twenty-years later, another Marine intel officer, Earl H. Ellis, put most of William's concept to effect.[7] After fighting in the trenches in WWI, Ellis submitted a request to Headquarters Marine Corps for special intelligence duty in South America and the Pacific; the Director of Naval Intelligence diligently accepted. It was during his special duty that introduced the most profound accounts of Ellis's intelligence reports. He submitted a 30,000 page Top Secret document[8] concerning his detail discussion of local sea, air and the climate, various land terrain types, the native population and economic conditions. He discussed his reports on strategically seizing key islands as forward-operating bases for project naval forces effectively into the area. His time-tables, mobilization projections, and predictions of manpower necessary to seize certain targets.

The earliest activities in amphibious reconnaissance was largely limited in surveying of ports, uncharted islands and adjacent beaches or coastlines. Most of these duties were billeted by senior Naval Intelligence Officers that were prerequisited in topography, hydrography, impermanent construction of fortification with the means of rapid encampment and mobilization of troops to operate in their area.[9]

World War II in Europe

The development of amphibious reconnaissance in the early stages of the Second World War during the European campaigns were largely dominated by Lt-Cdr Nigel Clogstoun-Willmot RN who developed the Combined Operations Pilotage Parties (COPPs). Following their deployment on Operation Torch it was proposed that 50 of these parties would be needed - however the shortage of necessary personnel meant that in all only some 11 teams were trained[10]. The Beach Pilotage School was set up on the Kyles of Bute in Scotland.

Following the war the secrecy surrounding beach recce continued and mention of the COPPs did not appear in the press until the late 1950s. By then their knowledge and role had been passed on to the (then) Special Boat Squadron[11]

Mission Role

Specific missions for amphibious reconnaissance patrols included:

  • To determine characteristics of beaches available for landing, and report same to commander at sea.
  1. By hydrographic reconnaissance of water near the shore line.
  2. By examining terrain in immediate vicinity of beach.
  3. By noting beach defenses- wire, mines, and other obstacles; troops in immediate vicinity; other defenses.
  • To report landmarks for assisting in locating landing beaches.
  • To mark beaches and landing points during landing.
  • To determine location, strength, and composition of troops in landing area.
  • To take and hold in concealment a prisoner or prisoners and be prepared to turn them over to Headquarters Landing Force.
  • To spot observers to report enemy activity by radio or by panel.
  • To determine road net and be prepared to meet and guide elements of landing force.
  • To determine practicability of terrain for air landings.
  • After the beachhead has been established, to contour the sea floor beginning at the ten foot line and using a two foot contour interval in order to expedite the unloading of supplies by locating most advantageous channels and beaches.

Also assigned were the following non-intelligence missions:

  1. To create a diversion from proposed landing point.
  2. Minor night attacks.
  3. To assist a landing by executing light demolitions.
  4. To disrupt enemy communications by wire cutting and jamming radios.
  5. To set flares for naval gunfire at night, or to smoke a beach in order to screen a landing wave, or to otherwise mislead the enemy.

Notes

References

  1. ^ Dion Williams, Naval Reconnaissance, Instructions for the Reconnaissance of Bays, Harbors, and Adjacent Country, 1906.
  2. ^ Naval Reconnaissance Second Edition (1917); Maj. Dion Williams, USMC
  3. ^ FTP 167, Landing Operations Doctrine, Office of Naval Operations, Division of Fleet Training, United States Navy, 1938
  4. ^ a b c d Stubbe, Ray W (1981). Aarugha!: Report to Director, Historical Division, Headquarters, Marine Corps, on the History of Specialized and Force-level Reconnaissance Activities and Units of the United States Marine Corps, 1900-1974. United States Marine Corps.  
  5. ^ a b c Williams, Dion (1906). Naval Reconnaissance, Instructions for the Reconnaissance of Bays, Harbors, and Adjacent Country (1st Edition ed.). Washington, D.C.: United States Government Printing Office.  
  6. ^ a b Williams, Dion (1917). Naval Reconnaissance, Instructions for the Reconnaissance of Bays, Harbors, and Adjacent Country (2nd Edition ed.). Washington, D.C.: United States Government Printing Office.  
  7. ^ Maj. Earl Ellis, http://ibiblio.org/hyperwar/USMC/ref/AdvBaseOps/index.html
  8. ^ Operations Plan 712, Advance Base Operations in Micronesia (28 Jan 21); HisDiv, HQMC, Archives 9558, Box 4, Folder 712
    ^ "Ellis" File, Advanced Base Defense During the Present War, HisDiv, HQMC
  9. ^ FMFRP 12-20, Naval Reconnaissance,(4 January 1989), Reprint of BGen William's naval doctrine of 1906.
  10. ^ James Ladd. Commandos and Rangers of World war 2. p. 64. ISBN 0 356 08432 9.  
  11. ^ james D Ladd. SBS The Invisible Raiders. p. 141. ISBN 0 85368 593 2.  

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