dʒˈɛfɹi ˈɑːɹ. tʃɛsˈɑːni bˈɔːɹn dᵻsˈɛmbɚ twˈɛnti sˈɪks, nˈaɪntiːnhˈʌndɹɪd sˈɪksti θɹˈiː ɪz ɐ ˈɑːfɪsɚɹ ʌvðə juːnˈaɪɾᵻd stˈeɪts mɚɹˈiːn kˈɔːɹ, ænd wʌzðə kəmˈændɪŋ ˈɑːfɪsɚ θˈɜːd bɐtˈæliən, fˈɜːst mɚɹˈiːnz dˈʊɹɹɪŋ ðə noʊvˈɛmbɚ tˈuː θˈaʊzənd fˈaɪv ˈɜːbən kˈɑːmbæt ɪn hædˈɪθə, ɪɹˈæk.
Jeffrey R. Chessani (born December 26, 1963) is a officer of the United States Marine Corps, and was the commanding officer 3rd Battalion, 1st Marines during the November 2005 urban combat in Haditha, Iraq.