The small diameter rounds enable the projectile to travel at the high velocity needed to penetrate Kevlar armor, as a light weapon with sufficient energy to push a large caliber bullet through the armor would have prohibitive recoil.

Logan also revealed that the real reason Xavier asked him to join the X-Men was that Charles " needed a weapon.

But Fermi also participated in preliminary work on the hydrogen bomb at Los Alamos as a consultant, and along with Stanislaw Ulam, calculated that the amount of tritium needed for Edward Teller's model of a thermonuclear weapon would be prohibitive, and a fusion reaction could not be assured to propagate even with this large quantity of tritium.

If one needs a weapon for self-defense one must " prove that his personal safety at risk to such an extent that in order to ensure the needed a weapon for security ".

Despite this almost exclusive focus, however, Greek fire is best understood as a complete weapon system of many components, all of which were needed to operate together to render it effective.

They have also been used in close quarters combat ( CQC ) settings where a small weapon is needed ( e. g. by special forces attacking buildings or tunnels ).

The German Army recognized that to break the stalemate of trench warfare, a light, hand-held automatic weapon was needed that would enable individual soldiers to move with the gun to new firing positions.

It was manufactured with a longer barrel as it was recognized that artillery crew needed a lighter weapon than a rifle but with similar accuracy to defend themselves.

During the 1990s, the Russian Stechkin APS was once again put into service, as a weapon for VIP bodyguards and for anti-terrorist hostage rescue teams that needed the capability for full automatic fire in emergencies.

Hitler was sufficiently impressed by the enthusiasm of its developers, and needed a " wonder weapon " to maintain German morale, so authorized its deployment in large numbers.

The correct stride is to be applied to whatever leverage is necessary or needed to effectively wield the weapon on-hand.

Chemical energy ammunition in its various forms has consistently been the choice for those weapons which due to various factors of their design could not generate the high muzzle energy needed by a kinetic energy weapon.

The advantage of the implosion method was that it was far more efficient in use of material — only 6. 2 kg of plutonium would be needed for a full explosion, compared to the 64 kg of enriched uranium used in the " Little Boy " weapon.

The conventional explosives needed to start the chain reaction are tailored to the characteristics of the fissile material in the core of the weapon.

However, Hitler's use of the SA as storm troopers was a political weapon he no longer needed.

A lightweight gun that needed only a small gun crew and was devastating at short range was a weapon well suited to defending merchant ships against French and American privateers.

The crossbow was an important military advance on the older short bow and was the favoured weapon by the time of Richard I ; many crossbows and vast numbers of quarrels were needed to supply royal forces, in turn requiring larger scale iron production.

It has a number of targets which can be reached from both long and short distances and at each distance, a slight divergence in the way the weapon is used is needed in order to make it effective.

The position and angle of the lake in conjunction to the castle in reality obviously proves that the precise bombing-run would have needed a downhill approach to the west of the castle to line-up the aircraft in heading, altitude, speed and distance in time before being able to release the weapon precisely on target.

Boosting reduces the amount of plutonium needed in a weapon to below the quantity which would be vulnerable to this effect.

Machine guns had been the preferred weapon of choice against these targets, aimed by eye and swung by hand, but these no longer had the performance needed to deal with the larger and faster aircraft of the 1930s.

Another parachutist without a weapon package would follow the first to provide support as needed.

This worrying scenario led to the effort to develop a new land based missile having the multiple requirements needed to be an excellent counterforce weapon: accuracy, first strike survivability, and the MIRV capabilities needed to ensure even a small number of survivors would be able to attack the remaining Soviet missile fleet.

During the next five years liberal leaders in the United States sank in the cumulative confusion attendant upon and manifested in a negative policy of Containment -- and the bitterest irony -- enforced and enforceable only by threat of a weapon that we felt the greatest distaste for but could not abandon: the atom bomb.

One effect of the spirited give-and-take of these discussions was to focus attention on practical applications and the necessity of being armed with the facts: knowledge of the destructive force of even the tiniest `` tactical '' atomic weapon would have a bearing on judgments as to the advisability of its use -- to defend Berlin, for example ; ;

The cost of developing a major weapon system is now so enormous that the greatest care must be exercised in selecting new systems for development, in determining the most satisfactory rate of development, and in deciding the proper time at which either to place a system into production or to abandon it.

Thus, the need for the B-70 as a strategic weapon system is doubtful.

The incubation period of infectious disease, plus a variable period of illness even before a lethal effect, render this weapon unsuitable for hand-to-hand encounter.

Thus, an enemy would probably use this weapon for attack on static population centers such as large cities.

In Ovid's Metamorphoses, Phoebus Apollo chaffs Cupid for toying with a weapon more suited to a man, whereupon Cupid wounds him with a golden dart ; simultaneously, however, Cupid shoots a leaden arrow into Daphne, causing her to be repulsed by Apollo.

The ability to modify the hardness of steel by heat treatment had been known since 1100 BC, and the rare material was valued for use in tool and weapon making.

Scottish law also provides for a more serious charge of aggravated assault on the basis of such factors as severity of injury, the use of a weapon, or Hamesuken ( to assault a person in his own home ).

The increased space and reduced weight of the turretless design also allowed for the mounting of a larger weapon and heavier frontal armour on any given chassis.

In the post-WWII era, vehicles fitting into an " assault gun " category were developed as a light-weight, air-deployable, direct fire weapon for use with airborne troops.

This was to prevent the weapon from being damaged by long-distance towing across rough, stony deserts, and it was intended only to be a carrying method, with the gun unloaded for firing.

Dürer also appears to have been collecting for his own cabinet of curiosities, and he sent back to Nuremberg various animal horns, a piece of coral, some large fish fins, and a wooden weapon from the East Indies.

* 1894 – Norway formally adopts the Krag-Jørgensen rifle as the main arm of its armed forces, a weapon that would remain in service for almost 50 years.

Artillery types can be categorised in several ways, for example by type or size of weapon or ordnance, by role or by organizational arrangements.

from a late-1940s United States Navy program to develop a guided rocket weapon for air-to-air use.

By 1955 Douglas proposed going ahead with development, intending it to be the primary weapon for the F5D Skylancer interceptor.

It was later selected, with some controversy, to be the primary weapon for the Canadian Avro Arrow supersonic interceptor, along with the new Astra fire-control system.

As a tactical weapon for military use, a significant problem with a biological warfare attack is that it would take days to be effective, and therefore might not immediately stop an opposing force.

The British tainted small feed cakes with anthrax in the Second World War as a potential means of attacking German cattle for food denial, but never employed the weapon.

If F. tularensis were used as a weapon, the bacteria would likely be made airborne for exposure by inhalation.

* In manga, Hiroyuki Takei's Shaman King, Ryu possesses a wooden sword and uses it as his main weapon, and for that reason he is also known as Bokuto no Ryu ( Wooden Sword Ryu ).

The carbine was originally a lighter, shortened weapon developed for the cavalry.

While ballistic missiles were the preferred weapons for land targets, heavy nuclear and conventional tipped cruise missiles were seen by the USSR as a primary weapon to destroy US naval carrier battle groups.