Gen. Pervez Musharraf on Tuesday positioned his former spy chief to take over Pakistan's army if he steps down following presidential elections this Saturday.

The Leavenworth-educated Lt. Gen. Ashfaq Kiani is widely considered to be moderate and pro-Western. He's expected to continue Musharraf's policy of fighting terrorism, a key concern for Washington, which considers Musharraf a crucial ally in the war on terror.

"Any new army chief would support Pakistan's policy in this regard," the military spokesman Maj. Gen. Waheed Arshad told ABC News.

By appointing Kiani to succeed him, the embattled Pakistani leader is trying to shore up his position by appointing his most trusted lieutenant to succeed him. Musharraf has pledged to step down as army chief if re-elected for another five-year term as president.

Kiani, who was named vice chief of the army on Tuesday, would automatically assume the power role of army chief when Musharraf steps down.

"This is a positive development since the Pakistan army needs a full-time general," says Talat Massood, a former defense secretary in Pakistan. "It also shows a commitment on the part of President Musharraf to take off his uniform if he wins."

Pakistan's army has been struggling to contain pro-Taliban insurgents whose influence is spreading rapidly across Pakistan's Northwest Frontier Province. Militants have kidnapped more than 300 soldiers in the volatile tribal belt; some were later found beheaded. Meanwhile, a string of bloody suicide attacks have killed hundreds of troops since the year began.

Western military officials privately have expressed concern that the Pakistan Army has lost focus in recent months while Musharraf has been preoccupied with a widening political crisis and his struggle to remain in power.

On Tuesday, opposition politicians resigned en masse from the parliament, saying they refused to re-elect the military leader to the civilian post of president. His approval ratings have plunged in the last year, and many Pakistanis say it's time for the army to get out of government and return to the barracks.

"Kiani has qualities of leadership and is known for his great professionalism," said Massood. "I expect he will reduce the military's involvement in politics and concentrate on professional matters."

Associates and acquaintances describe the chain-smoking general as highly intellectual and utterly incorruptible.

"He is a man who brooks no misconduct," says a retired military officer who worked with Kiani in the ISI. "He is totally by the book."

Kiani would be the first director general of the ISI, often described as a state within a state, to rise to the coveted position of army chief. He has also served as an infantry commander and studied at the Command and General Staff College at Fort Leavenworth, Kan. An avid golfer, Gen. Kiani is president of Pakistan's Golf Association. He's married with a son and daughter, the Pakistan military said in a statement.

Musharraf also appointed another trusted deputy, Lt. Gen. Tariq Majid, to be his new third in command. Majid would automatically assume the position of vice chief if Musharraf resigns after the vote.

On Sept. 21, Musharraf promoted Lt. Gen. Nadeem Taj, a relative of his wife, to take over the ISI. The ISI chief would also work very closely with U.S. officials and NATO commanders running the coalition effort in neighboring Afghanistan.

By appointing his most trusted deputies to the top slots in the army, Musharraf hopes to keep a handle on the armed forces even after he resigns, analysts say. Pakistan's army has ruled this nation of 170 million people for more than half of its 60 years.

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