Fórum Defesa Brasil

soultrain escreveu:Tulio,

É praticamente uma aeronave nova. Só a designaçao se mantem.

Nao é tao simples assim.

[[]]'s

tulio escreveu:

soultrain escreveu:Tulio,

É praticamente uma aeronave nova. Só a designaçao se mantem.

Nao é tao simples assim.

[[]]'s

Que eu saiba, mudaram propulsão e aviônicos, que mais?

Fuentes

tulio escreveu:

soultrain escreveu:Tulio,

É praticamente uma aeronave nova. Só a designaçao se mantem.

Nao é tao simples assim.

[[]]'s

Que eu saiba, mudaram propulsão e aviônicos, que mais?

Fuentes

Nicaraguan Assembly Agrees To Destroy More SAM-7 Missiles

By AGENCE FRANCE-PRESSE, MANAGUA, Nicaragua


Nicaragua’s National Assembly approved the destruction July 13 of 651 surface-to-air missiles that Washington wants deactivated so they do not fall into terrorist hands.
After a stormy session in which insults were exchanged, legislators voted to destroy the batch of shoulder-fired SAM-7 missiles acquired from the former Soviet Union during the 1980s.
Representatives of the main opposition, the leftist Sandinista National Liberation Front (FSLN), walked out in an attempt to prevent a quorum.
After the vote July 13 the Sandinistas said the 46 deputies who voted for the missiles’ destruction, exactly half the assembly, were not enough for a valid vote.
But a member of the right-wing Liberal Alliance deputy said there were 47 deputies present, establishing a quorum, and so the vote was fair.
U.S. officials have sought to convince Nicaragua to eliminate its estimated 1,000 remaining SAM-7s, which Washington fears could be used by terrorists against international aircraft.
In 2005 Nicaragua destroyed 1,000 of the missile. It is still holding on to 400 of the missiles for its own national defense force.

U.S. F-16 Sale to Pakistan Hits Snag in Congress

By JIM WOLF, REUTERS


U.S. lawmakers, fearful of any warplane-technology leakage to China, are demanding more safeguards for a $5 billion sale to Pakistan of F-16 fighter jets and related items, a key congressman said July 13.
"We have reason to be concerned that all security conditions be in place before we approve the sale," Rep. Tom Lantos, the top Democrat on the House International Relations Committee, said in a telephone interview with Reuters.
On June 28, the Bush administration formally notified Congress of plans to sell Pakistan up to 36 F-16C/D Block 50/52 Falcon fighters built by Lockheed Martin Corp. in a deal worth up to $5 billion if all options are exercised.
Congress has the power to block such a sale by enacting a resolution of disapproval in both houses within 30 days of the notification date.
"We are dealing with a country that gave us A.Q. Kahn," said Lantos, referring to a Pakistani scientist who confessed in 2004 to peddling banned nuclear wares around the world for years despite international safeguards.
Pakistan says Kahn, who was pardoned by President Pervez Musharraf and has been under house arrest, acted independently and without state knowledge.
Lantos, of California, said he and Henry Hyde, the Illinois Republican who chairs the House panel, were pressing the State Department to build new safeguards into the deal.
He said he favored the sale once "all of the security provisions are in place." Under standard practices, a buyer of U.S. arms typically must agree to "end use monitoring" designed to make sure the technology is not shared illicitly.
Lantos made clear he was concerned that China, which has close military ties to Pakistan, might get access to the Block 50/52 -- the most modern F-16 flown by the United States. "That is the most obvious and most logical concern," he said.
Senate Foreign Relations Committee Chairman Richard Lugar, an Indiana Republican, has scheduled a classified briefing Tuesday on the sale with Robert Joseph, undersecretary of state for arms control and international security, and Air Force Lt. Gen. Jeffrey Kohler, head of the Defense Security Cooperation Agency, according to Andy Fisher, a Lugar spokesman.
State Department spokesman Sean McCormack said "proliferation," illicit sharing of U.S. technology, had been taken into account before Congress was notified of the sale.
"This is the right proposal for Pakistan," he told a regular news briefing, adding the administration would continue to consult Congress closely on it.
Lantos spoke after what an aide said was a State Department request to postpone a committee hearing scheduled for Thursday on the proposed sale. "There is no reason to proceed with a public hearing when we have substantive security concerns with respect to the sale," Lantos said.
Hyde’s spokeswoman did not return a call seeking comment.
Lantos faulted the State Department for ignoring a traditional 20-day period for conferring with Congress on arms sales in addition to the 30 days during which a sale may be blocked. Congressional security concerns could have been eliminated during such "pre-notification" talks, he said.

Israel Eyes Laser, Cannon for Downing Rockets

By DAN WILLIAMS, REUTERS, TEL AVIV, Israel


A super-heating laser beam and radar-activated heavy machinegun are among technologies Israel is considering for shooting down Palestinian rockets launched from the Gaza Strip, Israeli security sources said on July 9.
But they said Israel’s ground incursions against those firing the rockets, such as a weekend sweep in which some 50 Palestinians died, would continue as the other counter-measures are months, even years away from being produced or acquired.
"As long as we cannot reliably stop the rockets before they land, we will have no choice but to go in and prevent them from being launched in the first place," a security source said.
The homemade "Qassam" rockets fired by Hamas militants in Gaza, and similar weapons used by other groups, have caused relatively few casualties but considerable consternation in Israel. Their maximum range so far has been 12 kilometers (7 miles), enough to strike Ashkelon, a major city in the south.
Since the late 1990s, the Israeli government missile-defense unit Mafat and U.S. arms firm Northrop Grumman have been developing Nautilus, a system that focuses a giant laser on incoming rockets or artillery shells, blowing them up in mid-air.
Though planners said Nautilus had achieved near-perfect scores in field tests and could provide cover for a 10 square kilometer (4 square mile) area, the project was recently shelved. Experts speculated that the system was too cumbersome for civilian use.
But Israel’s Maariv newspaper said Defence Minister Amir Peretz, scrambling to stem Gazan rocket salvoes with ever greater ranges, last month met Northrop Grumman representatives to discuss acquiring a more mobile version of Nautilus.
A security source confirmed the report as "basically true."
Northrop Grumman had no immediate comment pending a news conference later this week at which the company said it would discuss plans for "a new (laser) system to defend against air-based threats such as rockets, missiles and mortars".
IMPRACTICAL
Rachel Naidek-Ashkenazi, spokeswoman for Israel’s Defence Ministry, said the original Nautilus was deemed "not practical" and that several alternative ideas were under consideration.
Another system that has drawn Israeli interest is Phalanx, a U.S.-made cannon that automatically locks on to rockets or mortar bombs and shreds them with explosive 20 mm bullets.
Originally designed to provide on-board protection for navy ships, Phalanx was adapted for land use and deployed among U.S. forces in Iraq last year.
Security sources said Israel had voiced interest in buying Phalanx, though its protective radius is limited and the prospect of heavy machineguns nestled in populated areas and firing into the air with little warning has raised eyebrows.
Raytheon, the firm that manufactures the Phalanx, declined comment. A U.S. arms industry source said there were no plans to sell Phalanx as it had only recently been deployed in Iraq.
Israeli security sources said they expected the export policy on Phalanx to change within months if its field trials were completed swiftly, while delivery of an upgraded version of Nautilus could take as long as two years.

U.S. Army May Scale Back UAV Plans
Air Traffic Control, Supply Challenges Are Critical Issues
By GREG GRANT
June 26, 2006
The U.S. Army may cancel two of four unmanned aerial vehicles (UAVs) planned for its Future Combat Systems (FCS) in response to fears that the skies above tomorrow’s battlefield are getting too crowded with helicopters, drones and airborne munitions.
Their fate rests with the Army officials who are studying the service’s UAV needs, said Maj. Gen. Charles Cartwright, who manages the service’s $165 billion, top-priority FCS program.
This review also aims to determine whether giving four types of unmanned aircraft to each brigade will strain the troops’ ability to maintain them or needlessly weigh down the brigade with spare parts. FCS is intended to help create agile fighting forces with greatly reduced logistics needs.
The UAVs are key to the FCS concept, which will also equip each brigade with a squadron of armed reconnaissance helicopters. The program aims to increase battlefield sensors sixfold. But the concept was originally designed for battles in wide-open spaces, not the cities and mountain roads where U.S. troops have fought their largest battles in recent years.
Air and ground officers say the air above today’s battlefields is already too crowded, and adding more unmanned craft will increase the chances of deadly collisions.
The number of UAVs in use by the U.S. military has skyrocketed since the 2003 invasion of Iraq. Hard experience has shown that the skies above a battlefield, particularly in Baghdad and other cities, can rapidly become congested with UAVs and the many attack and transport helicopters flying at similar altitudes.

Moreover, ground forces that want to fire artillery or rockets must clear a segment of airspace so they don’t shoot down friendly aircraft.
There has been at least one UAV-helicopter collision; in 2004, a hand-launched Raven drone collided with a Little Bird helicopter over Baghdad. No serious damage resulted, but the specter of might-have-been led the Army to tighten its airspace restrictions.
This has reduced UAV use. Last year, soldiers from the Army’s 3rd Infantry Division in Baghdad said they had all but abandoned the Raven because any unit wanting to fly it had to apply for clearance more than 24 hours in advance.
So the question is how to improve air traffic control in congested airspace. For starters, the Army is working to improve the clearance process, Army aviation procurement chief Paul Bogosian said in April.
Bogosian also said the Army is trying to develop a common ground station for controlling UAVs, which will help manage the radio signals that guide the aircraft. One Army officer in Iraq said competing radio signals mean that only three Shadow UAVs can fly over Baghdad at a time.
And conflicting signals have boosted an accident-and-loss rate among Army UAVs that is “way too high,” Bogosian said.
FCS Plans
Another way to ease the problem is to reduce the number of planned UAVs.
Current Army plans say each 3,200-soldier FCS brigade will carry four kinds of UAVs, one each for small units, companies, battalions and brigades. When married with ground sensors and robotic vehicles, the aerial sensors are intended to provide up-to-the-second information on the disposition of enemy forces.
The smallest one, the Class I Micro Air Vehicle, will be a 16-pound vertical-takeoff aircraft built by Honeywell. The largest will be Northrop Grumman’s helicopter-like Fire Scout, which can fly for 24 hours and will be operated by brigade-level units.
Three firms are bidding to build each of the middle-size Class II and Class III UAVs. The slightly larger Class II UAV can fly for two hours, and will be distributed to company-sized units. The Class III UAV, designed to fly up to six hours, will equip battalions.
Cartwright said both contests are on hold while the Army looks at its UAV plan. The review also will examine whether the FCS UAVs would needlessly overlap with the three others that the Army has in development or in service.
Besides the handheld Raven, built by AeroVironment, the service’s aviation command is buying the medium-sized Shadow UAV, built by AAI, and is pushing hard to field by 2009 the long-range armed Warrior, a modified version of the General Atomics’ Predator in widespread U.S. Air Force service.
The Army is creating a new UAV battalion within its aviation brigades, each to be equipped with 24 Warrior drones. Shadow and Warrior would remain in Army service for decades.
Boeing FCS program manager Dennis Muilenberg said the review hasn’t yet stopped any of the UAV research and development efforts.
“We’re continuing to execute our plan,” Muilenberg said.
Still, the questions about the scope of the FCS UAV effort come amid growing pressure in the Pentagon and Congress to scale back the giant program, although service leaders publicly support the current plan.
The Iraq experience has revealed limitations of UAVs. U.S. troops reported that the low-flying Shadow’s engine noise tipped off the insurgents, so they have come to rely much more on manned Air Force jets. F-16s equipped with targeting pods can provide surveillance over a wider area and much more quickly than slow-flying UAVs. •

LEO escreveu:

Leo! Nosso problema é low level, aí não se encaixa o KC 135.

Isso excluiria o A-400M também da discussão, não?

LEO escreveu:É isso que eu estou falando, porque um KC-135 também está entre um KC-130 e um C-17, tal como o A-400M está. Então seu o Stratotanker não servia, o A-400M também não.

tulio escreveu:Para mim, o Gordo J é o canal, POWS!

Poucas modificações no treinamento/logística, aeronave conhecida e confiável, só iria ficar chato com o CASA, afinal, o Spartan simplificaria por demais a manutenção...

Mas tá tri, o Brasil tem sempre que andar na contramão mesmo...

tulio escreveu:Sei lá, o velho e COMPROVADO Gordo passa a num prestar pra nada, basta trocar as turbinas e uns aviônicos...

Convenhamos, brabo de crer, né não, cupincha..?