On a disc Azure, a pair of dice in fess arraswise the dexter showing 4, 1, 5 and the sinister showing 3, 1, 2, Gules fimbriated Argent dots of  the like, all within a diminished bordure Or.

Attached above the disc, a White scroll edged with a narrow Yellow border and inscribed "90TH FIGHTER SQ" in Blue letters.

Attached below the disc, a White scroll edged with a narrow Yellow border and inscribed "PAIR-O-DICE" in Blue letters.

Ultramarine blue and Air Force yellow are the Air Force colors.  Blue alludes to the sky, the  primary theater of Air Force operations.  Yellow refers to the sun and the excellence required of Air Force personnel.  The pair of cocked dice, tilted to show corresponding faces of "natural sevens," are symbolic of the Squadron personnel's petition for luck aloft.  The digit "seven" is also representative of the number of victories scored in France during World War I.