The Palestine Chronology

Military Action:

US Marines, Army officers make first reported visit to LAF positions at Souq al-Gharb, gather intelligence, consult on target coordinates; LAF adds 2 battalions to 4 already at Souq al-Gharb, US ships fire 40+ rounds at anti-government artillery and rocket batteries east of Yarze; SAM-5 reportedly fired at US Navy F-14 on reconnaissance flight over Beirut, no damage; Amal militia continues attack on LAF units south of Beirut.

Political Responses:

Israel/ Occupied Territories: IDF reportedly will intervene in Lebanon fighting if PLO seeks to gain foothold south of Damour River line.

US and Other Countries: Reagan administration and Congressional leaders of both parties agree on compromise formula to authorize Marines to remain in Lebanon for further 18 months under War Powers Act, no change in number, role or deployment; US names new ambassadors to Lebanon, Saudi Arabia; Italy positions warplanes at British base on Cyprus to support its MNF contingent; British naval task force begins assembling in eastern Mediterranean.

Military Action:

1500 men in 2 LAF battalions open broad offensive along ridge between Souq al-Gharb and Bais- sour, make some advances; Lebanese Air Force enters combat for first time since 1976, 5 Hunter Hawkers attack PSP and Palestinian positions; heavy shelling hits Beirut hillsides, neighborhoods in East and West Beirut; shells land in Marine compound at airport, and near British Embassy.

Casualties:

LAF losses are 2 killed, 11 wounded; 1 Lebanese plane downed, another damaged; 9 PSP T-54 tanks destroyed.

Political Responses:

Palestinians/Lebanese: Arafat retums to Lebanon for first time since June, is warmly received at Baddawi refugee camp near Tripoli.

US and Other Countries: Reagan administration says efforts by Congres- sional Democrats to invoke War Powers Act may endanger US forces.