Question: What type of sport do Alex Shelley and The Motor City Machine Guns have in common?

Context articles: Machine gun
Special Patrol Group (RUC)
Squad automatic weapon
Female tank
Type 98
Small arms
Smuggling of firearms into Mexico
Strafing
Alex Shelley
The Motor City Machine Guns

A machine gun is a fully automatic mounted or portable firearm designed to fire bullets in quick succession from an ammunition belt or magazine, typically at a rate of 300 to 1800 rounds per minute.
 Not all fully automatic firearms are machine guns.
 Submachine guns, rifles, assault rifles, shotguns, pistols or cannons may be capable of fully automatic fire, but are not designed for sustained fire.
 As a class of military rapid-fire guns, machine guns are fully automatic weapons designed to be used as support weapons and generally used when attached to a mount or fired from the ground on a bipod or tripod.
 Many (but not all) machine guns also use belt feeding and open bolt operation, features not normally found on rifles.
The Special Patrol Group (SPG) of the Royal Ulster Constabulary was a tactical reserve of 150 officers which had the role: "to provide backup in civil commotion, to police sensitive areas at times of confrontation, and to show the flag in a disciplined and impressive way to those who wished to break the peace."
 Formerly known as the Police Reserve Force, the name was changed to Special Patrol Group in 1970 following the Hunt Report and the reforming of the Royal Ulster Constabularly to bring it more into line with othe U.K. Police Forces i.e .
 It became an UNARMED POLICE SERVICE , which was temporarily armed due to the continued murderous campaign waged upon the men and women of the service , whether armed or unarmed and whether on or off duty and also to avoid confusion between the defunct more militarised Reserve Force and the newly formed RUC Reserve which was recommended in the Hunt Report and consisted of a large number of part time , trained officers to help with security and relieve the hard pressed regular officers of some of the more mundane duties as well as a small number of full time Reserve Constables who were more fully integrated into the regular service .
 These police reserve officers provided much needed support to the hard pressed regular officers especially in the 1970s when casualties and fatalities among both regular and reserve officers were reaching figures of 2 or 3 officers, on average , being murdered every WEEK .
 The Special Patrol Groups were formed as mobile support units originally based around police stations in Belfast and with a section ( Orange Section ) in Armagh and it required a minimum length of service and a rigorous interview process before an officer could be accepted into the ranks .
These requirements were later dropped most likely due to the need for greater numbers from what was a small pool as the RUC was greatly undermanned to cope with the terrorist campaigns being waged from various so called Loyalist and Republican organizations .
 Officers in the SPG were called upon to deal with major civil unrest as well as numerous , regular bombings , shootings etc sometimes involving multiple bombs in Belfast city centre and other locations on the same day .
 In the 1970s the SPG relied heavily on the calibre of its officers as they were poorly equipped , carrying low power Walther pistols and World War 2 , Sterling sub machine guns to defend themselves against terrorists armed with high velocity weapons such as the American Armalite and M1 Carbines as well as RPG Rocket Launchers , various mortar devices and heavy machine guns .
 They were so disadvantaged as regarded firepower , that , at one stage in the early 70s , members of the Parachute Regiment were assigned to each long wheel base Land Rover to supplement the meagre firepower of 1 or 2 Sterlings in each crew .
 This was a short term exercise as it gave the " wrong " image , not at all in keeping with the aims of the aforementioned Hunt Report .
 Members of the Royal Military Police were brought in , after the disastrous folly of them trying to patrol staunchly Republican areas such as the Bogside and Creggan in Londonderry , unarmed and in unarmoured cars which were painted white ( to the delight of PIRA Snipers ) which resulted in a number of them being shot .
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 It was not however until an English Chief Constable , Sir Kenneth Newman , took over that the political correctness was set aside and RUC officers in general and the officers of the Special Patrol Groups in particular , were issued with and trained in the use of more uptodate weapons with which to defend themselves and the law abiding citizens of Northern Ireland .
 Prior to that the men and women in the SPG in particular had scored many sucesses against the terrorists mainly by their courage and alertness , including intercepting bombs , and preventing numerous gun attacks as well as standing up to hundreds of rioters with little or no protective riot gear ( compared to what we see today )
A squad automatic weapon (SAW, also known as section automatic weapon or light support weapon) is a weapon used to give infantry squads or sections a portable source of fully automatic firepower.
 Weapons used in this role are often selective fire rifles, usually fitted with a bipod and heavier barrel to perform as light machine guns. Squad automatic weapons usually fire the same cartridge as the assault rifles or battle rifles carried by other members of the unit.
 This reduces logistical requirements by making it only necessary to supply one type of ammunition to a unit.
 Squad automatic weapons are light enough to be operated by one person, as opposed to heavy machine guns such as the M2 Browning, which fire more powerful cartridges but require a crew to operate at full effectiveness.
The "Female" tank was a type of armoured fighting vehicle deployed during the First World War that carried multiple machine guns instead of the mix of machine guns and cannons mounted by the original Mark I tank.
In Japanese military usage, a "Type" number denoted the year it was accepted into production, according to the Japanese calendar but using only the last two digits and a different calendar).
 Year 98 was 1938 (after Year 99, numbering starts again at 0).
 Thus, any piece of equipment, from rifles to machine guns to aircraft to artillery and uniforms which was accepted in 1938 is called the "Type 98".
 (This can be confusing when two pieces of similar equipment share the same designation, such as the Type 89 machine gun, or the Type 1 machine gun, which shared a designation with the Imperial Japanese Army's Ho-103 machine gun.)
In international arms control, small arms include revolvers and pistols, rifles and carbines, assault rifles, submachine guns, and light machine guns. Together with light weapons (heavy machine guns; hand-held grenade launchers; portable anti-aircraft and anti-tank guns; recoilless rifles; portable launchers of anti-aircraft and anti-tank missile systems; and mortars of calibres of less than 100 mm), they comprise the Small Arms and Light Weapons (SALW) protocol.
Mexicans have a right to own firearms, but legal purchase from the single Mexican gun shop in Mexico City, controlled by the Army, is extremely difficult.
 Guns smuggled into Mexico are sometimes obtained at gunshops in the United States and carried across the US-Mexico border.
 In other cases the guns are obtained through Guatemalan borders or stolen from the police or military.
 Consequently, black market firearms are widely available.
 Many firearms are acquired in the U.S. by women with no criminal history, who transfer their purchases to smugglers through relatives, boyfriends and acquaintances and then smuggled to Mexico a few at a time.
 The most common smuggled firearms include AR-15 and AK-47 type rifles, and FN 5.7 caliber semi-automatic pistols.
 Many firearms are purchased in the United States in a semi-automatic configuration before being converted to fire as select fire machine guns.
 Mexico seized in 2009 a combined total of more than 4,400 firearms of the AK-47 and AR-15 type, and 30% of AK-47 type rifles seized have been modified to select fire weapons, effectively creating assault rifles.
Strafing is the military practice of attacking ground targets from low-flying aircraft using aircraft-mounted automatic weapons ranging from machine guns (5mm to 20mm) to autocannons or rotary cannons (typically 20mm to 37mm).
 This means that, although ground attack using automatic weapons fire is very often accompanied with bombing or rocket fire, the term "strafing" does not specifically include the last two.
 The term "strafing" can cover either fixed guns, or aimable (flexible) guns.
 Fixed guns firing directly ahead tend to be more predominant on fixed wing aircraft, while helicopters tend to use aimable weapons which can be fired in many different directions independent of the direction the aircraft is pointing in (in most cases, flexible guns on a fixed wing aircraft are for defense purposes only, although they can sometimes be used to fire on ground targets to limited effect).
 Some fixed wing aircraft, like fighter-bombers, are capable of flying either air-combat missions or ground attack missions (P-47 Thunderbolt), while others are dedicated ground-attack types (Il-2 Shturmovik).
 In cases where an aircraft is capable of both types of combat, when it is assigned to a ground attack role, and thus expected to be using the guns mostly for strafing, the fixed weapons are often mounted so that the convergence point is lower and at a greater range than would be used for air combat.
 This is helpful because it allows the pilot to aim at a target without having to dive towards the ground as steeply, decreasing the risk of collision with the ground and increasing the amount of firing time available before having to pull up, and it also increases the range from the target, helping avoid anti-aircraft fire and potential damage from exploding targets.
 Because of the low altitude and relatively low airspeed required for accurate strafing, it is very risky for the pilot, who is exposed not only to the risk of flight-into-terrain and obstacles such as power lines, but also to anti-aircraft weapons, including surface-to-air missiles (both vehicle mounted and hand-held), anti-aircraft artillery and small caliber weapons fire (such as machine guns and small arms).
 Planes purposely designed for ground attack may include additional armour around and underneath the cockpit and other vulnerable areas such as engines to protect the pilot and key flight components, while aircraft designed mostly for air combat tend to have most of their armor placed to protect directly ahead or to the rear, where fire from other aircraft is most likely, leaving them more vulnerable to fire from directly below or to the sides, where much ground fire often comes from.
Patrick Martin (born May 23, 1983), is an American professional wrestler, better known by the ring name Alex Shelley.
 He is best known for working for Total Nonstop Action Wrestling as one half of The Motor City Machine Guns with Chris Sabin.
 He first gained fame on the independent circuit working for Ring of Honor (ROH), as well as in Japan, for Pro Wrestling Zero1-Max.
 He has also worked for New Japan Pro-Wrestling, where he is a former three-time IWGP Junior Heavyweight Tag Team Champion.
 Aside from wrestling, he is the lead singer of a rock band called The High Crusade, which includes his friends and fellow wrestlers Chris Sabin and Petey Williams.
The Motor City Machine Guns are a professional wrestling tag team consisting of Alex Shelley and Chris Sabin.
 The team is best known for its work in the American company Total Nonstop Action Wrestling (TNA), where they are former TNA World Tag Team Champions.
 Through TNA's then relationship with New Japan Pro-Wrestling (NJPW), the team also worked for the Japanese promotion, where they won the IWGP Junior Heavyweight Tag Team Championship.
 The team name, which has been variably Motor and Murder City, is a play on the nickname of Detroit, the hometown of both Shelley and Sabin.
 They are currently working for Ring of Honor (ROH), where they are in their first reign as the ROH World Tag Team Champions.