BAGHDAD (AP) – A revised American military plan envisions establishing security at the local level in Baghdad and elsewhere by the summer of 2008, although it likely would take another year to get Iraqi forces ready to enforce any newfound stability, American officials said Tuesday.

Known as the Joint Campaign Plan, developed in tandem by General David Petraeus and his political counterpart in Baghdad, Ambassador Ryan Crocker, it reflects a timetable starkly at odds with the push by many in Congress to wind down American involvement in a matter of months.

The plan suggests commanders believe this year’s troop buildup might be needed until next summer, one Washington defense official said on condition of anonymity because he was not authorized to speak on the record. But the Pentagon hastened to stress that no decisions had been.

General Petraeus and Mr. Crocker are due to testify before Congress in September on how the current strategy is working and whether it needs to be revised. The strategy was announced in broad terms by President Bush in January, when he ordered five extra Army brigades to Baghdad to help implement it. But the more detailed campaign plan was developed in the months following – not to alter the strategy but to give it depth, with detailed avenues of approach.

Colonel Steve Boylan, chief spokesman for General Petraeus, said the plan is still in the final editing stages and has not yet been put fully into effect. He said that while it sets an initial goal of achieving localized security by summer 2008, it does not make assumptions about specific levels of American troops between now and then – including how long the five extra brigades will stay.

Defense Department spokesman Bryan Whitman said those decisions will be based on how well things unfold in Iraq.

“It’s not possible today to predict what the conditions may be in three months, six months or even a year down the road, but that doesn’t and should not preclude military planning taking place,” Mr. Whitman told Pentagon reporters. “At the same time, it would be incorrect and inaccurate to infer that there have been some sort of national decisions made based on this plan.”

The campaign plan’s timeline was first reported in Tuesday’s editions of the New York Times.

Colonel Boylan stressed in a telephone interview that like any military campaign plan, this one is subject to revision as conditions on the ground evolve.

Thus the summer 2008 goal, he said, should be seen as “a place holder, a mark on the wall,” not an immovable commitment.

The plan envisions using locally based security initiatives, such as those that in western Anbar province have proven successful in reducing insurgent violence this year, as a starting point. Such efforts are now under way elsewhere in Iraq, including some parts of Baghdad.

That approach, it is hoped, will encourage movement at the national level to achieve political reconciliation, which is the ultimate objective.

There are early signs, however, that the Shiite-dominated government of Prime Minister al-Maliki is unwilling to move in that direction. His office has expressed anger at recent U.S. efforts to empower local Sunni groups in an alliance against the Al Qaeda in Iraq insurgent group – apparently out of suspicion that these Sunni groups will become extralegal militias allied against his government.

The Petraeus-Crocker plan is based on more than military strategy. It factors in a combination of political, economic, security and diplomatic efforts – along the lines Mr. Bush has described in recent months – plus actions to be taken by the Iraqi government. That includes movement on long-stalled legislation on oil-sharing, plus measures to bring more Sunnis who were members of Saddam Hussein’s Baath Party into the government, and other measures designed to promote reconciliation and build a government of national unity.

General Petraeus began developing the plan shortly after he arrived in Baghdad in February to replace General George Casey, whose campaign plan focused more on transferring security responsibility to the Iraqi government than on establishing security throughout the capital.

Stephen Biddle, who was a member of a group that advised Petraeus last spring on development of the strategy, said in a recent interview that he saw little chance of success if the American military continued to try to establish security, unconditionally, across all of Baghdad.

A better approach, Mr. Biddle said, is to use American military power more selectively in a “carrot-and-stick” approach that rewards insurgent groups that choose to accept offers of a cease-fire. They would not be forcibly disarmed; they would choose to stop fighting. Those who refuse to cooperate would be dealt with militarily.

Even that more nuanced approach, in Mr. Biddle’s estimation, stands only about a 10-in-1 chance of succeeding.

Many Democrats in Congress have argued that the only way to force al-Maliki’s government into movement on the political front is to set a timetable for the withdrawal of American forces. Some argue this should begin as early as this year, or at least by next spring.

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Associated Press Writer Pauline Jelinek contributed to this report from Washington.