However, the resurgence of expeditionary warfare in the past twenty years has seen the emergence of gun-armed wheeled vehicles, sometimes called protected gun systems, which may bear a superficial resemblance to tank destroyers, but are employed as direct fire support units typically providing support in low intensity operations such as Iraq and Afghanistan.

However, the resurgence of expeditionary warfare in the past twenty years has seen the emergence of gun-armed wheeled vehicles, sometimes called protected gun systems, which may bear a superficial resemblance to tank destroyers, but are employed as direct fire support units typically providing support in low-intensity operations such as the wars in Iraq and Afghanistan.

However, crews tended to fire their weapons from their vehicles for the mobility this method provided, with consequent casualties.

However, sometimes in the first half of the 20th century hardcopy artillery fire plans and map traces were distributed.

However, air observers have been use since the beginning of indirect fire and were quickly joined by air photography.

However, the need to engage targets at night, in depth or hit the target with the first rounds quickly led to predicted fire being developed in World War I.

However, in the 1930s the French moved it to battalion level and combined it with some tactical fire control.

However, Wilkes ’ Hessian brigade, lying nearby in the marshy grass at the water's edge, stood firm and repulsed the Gens d ' Armes with steady fire, enabling the English and Hessians to re-order and launch another attack.

However, this is not the first time that the USAF has come under fire in the past for offering this award.

However, in 1168 the Fatimids under the leadership of Vizier Shawar set fire to Fustat to prevent Cairo's capture by the Crusaders.

However, Empedocles of Acragas ( c. 495-c. 435 BCE ) selected four archai for his four roots: Air, fire, water, and earth.

However, Empedocles of Acragas ( c. 495-c. 435 BC ) selected four archai for his four roots: air, fire, water and earth.

However, the team was wracked with dissension, with some players ( including Feller and Mel Harder ) going so far as to request that Bradley fire manager Ossie Vitt.

However, according to recent studies, California chaparral is extraordinarily resilient to very long periods without fire and continues to maintain productive growth throughout pre-fire conditions.

However the majority of civilian casualties were killed by indirect fire from artillery, heavy machine guns and incendiary shells.

However, lacking his sword, Freyr will be killed by the fire jötunn Surtr during the events of Ragnarök.

However, Farmer Giles's blunderbuss had a wide mouth that opened like a horn, and it did not fire balls or slugs, but anything that he could spare to stuff in.

However the shots in the film where this prop was employed ( far away shots of Godzilla breathing his fire during his attack on the Arctic Military base ) were ultimately cut from the film.

However, laboratory tests on fire ants have shown that grits are an ineffective pesticide.

However, although the use of hastily improvised fireships is mentioned during the 1203 siege of Constantinople by the Fourth Crusade, no report confirms the use of the actual Greek fire.

However, extensive experiments with it also failed to reproduce the described intensity of Greek fire.

However, wires which touch each other will produce cross connections, short circuits, and fire hazards.

However, on February 22, 2003, one of the production facilities caught fire and was badly damaged.

However, an accidental fire breaks out in Luthor's lab.

However, their very poor rate of fire ( which often meant that only one shot was fired in the course of an entire battle ) and their inaccuracy made them more of a psychological force multiplier than an effective anti-personnel weapon.

However, no comprehensive environmental protection program has emerged, and decisions on environmental policy have been made on an ad hoc basis.

However, the rebellion of Tacfarinas had shown how exposed Africa Proconsularis was to its west and how the Mauretanian client kings were unable to provide protection to the province, and it is thus possible that Caligula's expansion was a prudent response to potential future threats.

However, this gave no protection against the elements, was vulnerable to thieves and suffered from a lack of space at the quayside.

However she had been corresponding with her uncle Raymond, King and holder of family properties in Antioch where he was seeking further protection from the French crown.

However, they can be managed in ways that enhance their biodiversity protection functions and they are important providers of ecosystem services such as maintaining nutrient capital, protecting watersheds and soil structure as well as storing carbon.

However, even at the height of the cold war, EMP protection had been completed for only 125 of the approximately 2, 771 radio stations in the Emergency Broadcast System.

However if the mask is for a particular use ( such as the protection from a specific toxic material in a factory ), then the design can be much simpler and the cost lower.

However, early humans were not able to compensate for the loss of warmth and protection provided by body hair with clothing, and no other mammal lost body hair to reduce parasite loads.

However, the extreme resistance of Deinococcus radiodurans to radiation, cold, dehydration and vacuum shows that at least one known organism is capable of surviving the hazards of space without need for special protection.

However, under the Constitution the states were subordinated to a central government ; the election of senators by the states reassured Antifederalists that there would be some protection against the swallowing up of states and their powers by an ever-expanding Federal government, providing a check on the power of the federal government.

However, former Vice Presidents traditionally receive Secret Service protection for up to six months after leaving office, by order of the Secretary of Homeland Security.

However, the Army of the Three Guarantees was formed under the command of Colonel Agustín de Iturbide with the support of patriots and loyalists to secure independence for Mexico and the protection of Roman Catholicism.

However, when the Carthaginians do not leave, the Mamertines appeal to Rome for an alliance, hoping for more reliable protection.

However, if clothing is too sheer, thin, small, tight, etc., the protection effect is minimized.

However when fellow Conservative Julian Amery later in the debate criticised Powell for his antinuclear pronouncements, Powell responded: " I have always regarded the possession of the nuclear capability as a protection against nuclear blackmail.

However they do not afford any protection from eavesdropping, as the voice signal is not encrypted.

However, unlike a battery-based UPS, flywheel-based UPS systems typically provide 10 to 20 seconds of protection before the flywheel has slowed and power output stops.

However, Eisenhower favored a " broad front " approach to the ground-war effort, believing that a single thrust would have to drop off flank protection, and would quickly lose its punch.

However, what is or is not a " natural right " is a source of contention in modern politics, as well as historically ; for example, whether or not universal health care, private property or protection from polluters can be considered a birthright.

However, sui generis statutes exist in many countries that extend intellectual property protection to matter that does not meet characteristic definitions: mask works, ship hull designs, fashion designs in France, databases, or plant varieties require sui generis statues because of their unique characteristics.

However, protection of water supplies and food supplies are often a critical part of biodefense.

However, in October 2001, Sony sent a cease-and-desist notice to the webmaster of Aibopet, demanding that he stop distributing code that was retrieved by bypassing the copy protection mechanisms of the robot.

However, if he is a protected person under GCIV he still has some protection under GCIV, and must be " treated with humanity and, in case of trial, shall not be deprived of the rights of fair and regular trial prescribed by the present Convention " ( GCIV Article 5 ).