COLLISION AT BIR GIFGAFA* * Israel Advances* _____vs.* Egypt Advances* * Date: June 7, 1967* * Location: Egypt* * As the advance of the Aviram Tank Brigade drove down the Bir Gifgafa road, it ran into two battalions of Egyptian T-54's. Outgunned by the heavier Egyptian tanks, the Israelis fought a desperate delaying action until the arrival of a battalion of Centurions.