An army of observation is a military body whose purpose is to monitor a given area[1] or enemy body in preparation for possible hostilities.
Some of the more notable armies of observation include:
Third Reserve Army of Observation, a Russian army tasked to monitor the Austrian border in 1811 prior to the French invasion of Russia
The army of observation at Fort Jesup, Louisiana, United States, which monitored Texas' transition from Spanish to Mexican control, and to eventual independence
The Hanoverian Army of Observation which monitored the border prior to the French Invasion of Hanover in 1757
^A Military Dictionary: Or, Explanation of the Several Systems of Discipline of Different Kinds of Troops, Infantry, Artillery, and Cavalry; the Principles of Fortification, and All the Modern Improvements in the Science of Tactics: Comprising the Pocket Gunner, Or Little Bombardier; the Military Regulations of the United States; the Weights, Measures, and Monies of All Nations; the Technical Terms and Phrases of the Art of War in the French Language. Particularly Adapted to the Use of the Military Institutions of the United States. William Duane, no. 98, Market Street. 1810. pp. 15–. Retrieved 10 April 2013.
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hostilities. Some of the more notable armiesofobservation include: Third Reserve ArmyofObservation, a Russian army tasked to monitor the Austrian border...
The Third Reserve ArmyofObservation was a Russian army created during 1811 as an impromptu force to watch the Austrian frontier when it became apparent...
before World War II. Activated in 1921, it inherited the lineage of the 1st ArmyObservation Group, which was established and organized, on 6 September 1918...
the Bell YOH-4 for the United States Army's Light Observation Helicopter program, it was not selected by the Army. Bell redesigned the airframe and successfully...
An observation balloon is a type of balloon that is employed as an aerial platform for gathering intelligence and spotting artillery. The use of observation...
to conduct specific missions. Examples of specialized military helicopters are attack helicopters, observation helicopters and anti-submarine warfare...
An observation post (commonly abbreviated OP), temporary or fixed, is a position from which soldiers can watch enemy movements, to warn of approaching...
observation missions over Vietnam until its mission was transferred to Osan AB, South Korea in 1972, where it provided Eighth US Army and Republic of...
2017, the Army retired hundreds of OH-58 Kiowa Warrior observation helicopters, while retaining its Apache gunships. The 2015 expenditure for Army research...
transport Douglas O-31 observation aircraft Douglas O-43 observation aircraft Douglas O-46 observation aircraft Douglas A-24 Dauntless Army SBD dive bomber Grumman...
with the Army. Plans were drawn up to have Corps Observation groups for the IV and VI Corps of three squadrons each; a Day Bombardment Group of 3 squadrons;...
control of the government there in a coup. In Europe, the French ArmyofObservation, organized with 30,000 men in four divisions, crossed the Rhine at...
of Observation fought the British at the Battle of Bunker Hill in June 1775. General George Washington assumed command of the ArmyofObservation at Cambridge...
Observation Helicopter (LOH) program was a United States Army program to evaluate, develop and field a light scout helicopter to replace the Army's aging...
Hanoverian ArmyofObservation which had little support from Prussia, namely six Prussian battalions. The main part of the "Hanoverian ArmyofObservation" came...
1424 (Air Observation Post) Flight RAF (1941–42) and D Flight RAF within the No. 1 School ofArmy Co-operation RAF (1940–41). The School ofArmy Aviation...
2002[citation needed] the British Army adopted the term Fire Support Team (FST) for its observation parties, including FACs under control of the artillery officer...
opposed; and therefore the military force of the Province ought to be assembled, and an armyofobservation immediately formed, to act solely on the defensive...