Reconnaissance by fire (recon by fire), also known as speculative fire, is a warfare tactic used in which military forces may fire on likely enemy positions to provoke a reaction, which confirms the presence and the position of enemy forces.
World War II
Reconnaissance by fire was widely adopted by the
Allies
An alliance is a relationship among people, groups, or states that have joined together for mutual benefit or to achieve some common purpose, whether or not explicit agreement has been worked out among them. Members of an alliance are called ...
against the
Axis
An axis (plural ''axes'') is an imaginary line around which an object rotates or is symmetrical. Axis may also refer to:
Mathematics
* Axis of rotation: see rotation around a fixed axis
* Axis (mathematics), a designator for a Cartesian-coordinat ...
in the
European theater of World War II. Previously armored units would typically advance in column behind light armored scouting units. At the same time infantry would be present to provide support in the event of ambush by German
panzerfaust
The ''Panzerfaust'' (, "armour fist" or "tank fist", plural: ''Panzerfäuste'') was a development family of single-shot man-portable anti-tank systems developed by Nazi Germany during World War II. The weapons were the first single-use light an ...
teams. This method proved too slow to keep pressure on retiring enemy forces. Instead, US armored columns continued to advance at speed, training cannon and machine guns alternately to fire to cover both the left and the right of the axis of advance. The column would fire its weapons more or less continuously into any suspected enemy positions as they appeared, suppressing and distracting the aim of enemy gunners and antitank teams. Supply echelon convoys using trucks equipped with .50-cal.
M2 Browning
The M2 machine gun or Browning .50 caliber machine gun (informally, "Ma Deuce") is a heavy machine gun that was designed towards the end of World War I by John Browning. Its design is similar to Browning's earlier M1919 Browning machine gun, ...
machine guns also used the tactic when traveling through areas not completely cleared of enemy forces.
Vietnam War
During the
Battle of Ia Drang
The Battle of Ia Drang (, ; in English ) was the first major battle between the United States Army and the People's Army of Vietnam (PAVN), as part of the Pleiku Campaign conducted early in the Vietnam War, at the eastern foot of the Chu Pong Ma ...
of the
Vietnam War
The Vietnam War (also known by #Names, other names) was a conflict in Vietnam, Laos, and Cambodia from 1 November 1955 to the fall of Saigon on 30 April 1975. It was the second of the Indochina Wars and was officially fought between North Vie ...
, a US Army battalion commander, Lieutenant Colonel
Hal Moore
Harold Gregory Moore Jr. (February 13, 1922 – February 10, 2017) was a United States Army lieutenant general and author. He was awarded the Distinguished Service Cross, the U.S. military's second-highest decoration for valor, and was the firs ...
, noticed that his men had a large amount of ammunition. He ordered his men to fire at anything suspicious at an agreed synchronised time. The large amount of fire at that time led a group of undetected infiltrating enemy soldiers to believe that they had been discovered and to charge the Americans, leading to their destruction.
[Galloway, Joseph L. (1990)]
"The word was the Ia Drang would be a walk. The word was wrong."
U.S. News
References
Assault tactics
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