<p>WASHINGTON - The Pentagon is investigating a trip by 100 Muslim members of the U.S. armed forces for a pilgrimage to Mecca that was paid for by a Saudi charity accused of financing al Qaeda, The Post has learned.</p>
<p>The so-called "Hajj Tour" in March 2001 for Muslim servicemen and chaplains was organized by the Muslim World League, a major charity group financed in part by the Saudi royal family and which is dedicated to the spread of Wahhabism, the extreme form of Islam embraced by Osama bin Laden.</p>