MoD advisers have been providing logistical support to the Saudi-led bombing campaign.
American involvement, if any, is likely to be limited to providing logistical support to West Africans.
By the 1990's, KBR was providing logistical support in Haiti, Somalia and the Balkans.
Neither are the Pakistanis necessarily providing logistical support, he added: "It's murkier than that".
"Nashqabandi is the cradle; they are providing logistical support for Al Qaeda," he said.
France has said it is providing logistical support to the government but is not taking sides in the fighting.
The suspect, Mounir el-Motassadeq, is accused of providing logistical support for three friends among the Sept. 11 hijackers.
He is now on trial in Hamburg on charges of providing logistical support for the attack planners.
France has already pledged to open up its airspace, and French ships are providing logistical support in the Indian Ocean.
Several of those arrested have also been accused of providing logistical support to the Sept. 11 hijackers.
That would affect, for instance, whether the 160 Swiss soldiers providing logistical support in Kosovo can carry rifles.
