Haubica 155 mm, M777

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Skot malo o haubici i mogućim problemima

Citat:Take the M777 155mm towed howitzer the US is providing to Ukraine – some 90 in total. Intended to be a lightweight, easily transportable replacement for the workhorse M198 howitzer used by the US Army and Marines from the mid-1980’s through the mid-2000’s, its design made sacrifices to reduce weight which, under combat conditions, resulted in “serious problems with metal fatigue, instability while firing, and damage inflicted by recoil quickly became apparent,” according to a fact-sheet about the system. Many of the problems faced by the M777 revolve around the materials used in its production. “There are many problems with using titanium instead of steel,” the fact-sheet notes, “rooted in the fact that while it is similarly strong, titanium alloys are much less flexible (making them more prone to metal fatigue).” Moreover, the fact sheet concludes that “this artillery piece is too light for the powerful 155 mm ammunition. The lighter a weapon is that fires a given projectile and propellant charge, the more violent its recoil is. This has resulted in the recoil-absorption mechanisms in the M777 wearing out dangerously fast in combat conditions.”

The US Army experience at the National Training Center, in Fort Irwin, California, shows that the combat effectiveness of an M777-equipped artillery unit begins to degrade around the fourth day of operations, primarily due to maintenance issues. Left unresolved, an M777-equipped unit could find itself completely combat ineffective within a week. The US Army solution—extensive field-level maintenance supported by forward-deployment of critical spare parts and highly trained personnel—is one that can only be conducted by units trained to do so, and with the logistical infrastructure in place to allow it.

The Ukrainian Army, which is undergoing training on the M777 system at the US Army training center in Grafenwoehr, Germany, will be focused on the manpower-heavy requirements of M777 operation (which needs an eight-man crew, as opposed to the five-man crew of the M198), and not how to maintain the system in combat. But even if these weapons make it to the front lines, the complexity of the system will ensure inefficient operations which sooner rather than later will result in the M777 howitzer breaking down with no means of repairing it.
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