Turkish troops are gathering near the Syrian border in preparation for an offensive against the Kurdish-led Syrian Democratic Forces or SDF.
The Turkish lira weakened after the news, trading 0.1% lower at 5.8331 per dollar at 2:53 p.m.in Istanbul.
"I agree with President Trump's objective to not be bogged down in the Middle East, to bring our men and women home, and we really need to be looking at the rising threat of China", McSally said on "The Story with Martha MacCallum" Tuesday.
The Kurdish-led civilian administration in northeastern Syria issued a "general mobilization" call along the Syrian border with Turkey on Wednesday as Ankara poised for an imminent invasion of the area in the latest major escalation in the war-ravaged country.
In another move to alleviate criticism, Trump tweeted that Washington would not abandon the Syrian Kurdish fighters, a USA ally in fighting the IS but terrorists in Ankara's eyes. However, according to the White House, this responsibility will now fall to Turkey.More news: Angela Merkel comprehensively rejects Boris Johnson' Brexit offer, writes Robert Peston
Ankara brands them terrorists due to their links to Kurdish militants who have waged a long insurgency in Turkey.
But Trump also threatened to "totally destroy and obliterate" Turkey's economy if the Turkish push into Syria went too far.
In a statement, the Pentagon said "unfortunately, Turkey has chosen to act unilaterally" and that the USA personnel were removed "to ensure their safety" but that they were not being sent out of Syria.
Since the 2016 campaign, Mr. Trump has been clear about his objective to get the US out of what he calls "these ridiculous endless wars".
A number of Trump allies, including Republican Senator Lindsey Graham, said the move was "a shot in the arm for the bad guys".
Meanwhile, Russian Foreign Minister Sergey Lavrov accused Washington of playing "very unsafe games" with the Syrian Kurds saying that the USA first propped up the Syrian Kurdish "quasi state" in northeastern Syria and is now withdrawing its support.More news: 800,000 Californians may have power cut to help prevent wildfires
Iran, along with Russian Federation, are both key allies of Syrian President Bashar Assad's regime and both have troops stationed in Syria. Any move to remove US troops from potential harm's way fits with his end goal.
The area the Kurds call Rojava borders an autonomous region of Iraq known as the Kurdistan Regional Government, which Turkey says is used by the PKK to base its militants and launch attacks.
Erdogan has demanded a "safe zone" that is 30 kilometers (20 miles) deep and stretches more than 480 kilometers (300 miles) toward the Iraqi border. Erdogan was keen to act before winter set in and made it hard for tanks to operate in muddy terrain.
Britain yesterday said it was "deeply concerned" by Turkey's plans and would not support the move. They were backed by the USA, but Turkey views them as terrorists and a threat to the country.
Trump insists that he was elected to wind down USA military operations overseas and the moves could always be reversed. That demonstrates "a complete lack of understanding of anything happening on the ground", former US special envoy to the global coalition to defeat ISIS Brett McGurk wrote on Twitter. "All indications, field information and military assembly on the Turkish side of the border indicate that our border areas will be attacked by Turkey".
Kurdish forces can either "defect" or Turkey will "have no choice but to stop them from disrupting our counter-Islamic State efforts", he added.
-With assistance from Lin Noueihed and Taylan Bilgic.More news: Former US President Carter falls, requires stitches