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On the sign:
סמל הגדוד החמישי
משלטי שער הגיא כ"ח בניסן-ה באייר תש"ח 7-14 במאי 1948
מבצע "מכבי א" כיבוש משלטים, עמידה בפני התקפות הערבים ופתיחת הדרך לירושלים
The purpose of Operation Maccabi was to reopen the road to Jerusalem. This road was opened in Operation Nachshon, but since Operation Yevusi to liberate neighborhoods in Jerusalem, the fighters who held the checkpoints along the road were transferred to the Jerusalem front and the road was blocked again by the Arab forces.
Translation of the text on the sign: Emblem of the Fifth Battalion
Shaar HaGai outposts May 7-14, 1948
Operation Maccabi A Conquest of outposts, resistance to Arab attacks and opening of the road to Jerusalem