PAKISTANI TROOPS REPORTED SERVING WITH JORDANIANS
Pakistan reptdly has quietly moved infantry regiment of some 2,000 or 3,000 into Jordan in addition to 2 training missions totaling 200 to 300 that have been in Jordan for 3 or 4 mos; Pakistan is 1st non-Arab Moslem country to give Arab nation mil support against Israel; Hussein's long efforts to foster close ties with Pakistan recalled; Pakistanis reptdly have been aiding in training Jordanians to fly US-built F-104 jets, but reptdly will not fly planes in combat despite shortage of Jordanian pilots; Jordan issues order reasserting earlier measures for controlling Palestinian guerrillas, particularly ban on carrying arms in towns; also requires guerrillas to turn arms stockpiles over to authorities; com of Palestinian groups holds measure seeks to push nation to verge of civil war; Al Fatah warns it could lead to divisive moves, presumably against monarchy; diplomats in Amman see Govt seeking to limit extent to which Palestinians can form own state in Jordan; Inst for Strategic Studies figures suggest Pakistani battalion in Jordan constitutes about 1/3 of Pakistan's AA force; Western intelligence sources confirm Pakistani AA unit is known to have been active in Jordan for last mo, say it is engaged only in training