"It's just simply a question now of wording in the document and having the document signed, so we're very close," Pentagon spokesman Navy Capt. Jeff Davis told reporters Monday.

　　Davis stressed the air guidelines established with Russia are not part of a broader agreement on how the two countries could operate in Syria. They are aimed merely at preventing U.S. and Russian aircraft from colliding over Syria, where both countries are conducting bombing missions.

　　“It's narrowly focused on air-space safety. It's not an agreement,” he said. “We actually fundamentally disagree with just about everything Russia's doing in Syria."

　　US, Russia Set to Sign Memo on Air Safety in Syria

　　A U.S. official told VOA the memorandum of understanding will include a choice of radio frequency for communication and other safety measures to “professionally” share the skies over Syria.

　　US targets IS

　　The U.S.-led coalition has targeted Islamic State militants in Syria with air strikes for more than a year.

　　Russia says it is also targeting the Islamic State and other terrorists groups, but the Pentagon and Syrian rights groups say the majority of Russia’s strikes aren’t anywhere near Islamic-State controlled territory.

　　The Russians asked the U.S. for talks on “deconfliction” after beginning airstrikes last month.

　　The Pentagon has reported no major incidents in Syrian skies since Russia started air strikes there. Defense officials have pointed out, however, that coalition aircraft have had to change course to avoid getting too close to Russian jets.

　　Davis told reporters the U.S.-led coalition has avoided encounters with Syrian aircraft for more than a year and would not be deterred by “other actors” in the fight against the Islamic State.

　　He said the U.S. military feels the upcoming memorandum of understanding with the Russians, though, is “worth doing” to help ensure the safety of U.S. pilots.