The international force is an idea championed by Rice.
http://www.alertnet.org/thenews/newsdesk/L31846123.htm
July 31 (Reuters) - U.S. Secretary of State Condoleezza Rice said on Monday she hoped agreement could be reached this week on a ceasefire and intervention force to end fighting between Israel and Lebanese Hizbollah guerrillas
"International UN force" would be a US Army force. Quite frankly we have our hands full right now. Let the EU do it.