45th Sustainment Brigade Unit Crest (We Fight to Serve) - Sold in Pairs SBBA~Pair~6554-USMC~6554-USMC|2 The numeral nine alludes to

The numeral nine alludes to the unit's numerical designation

in Navy parlance

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The Naval Aviator insignia is identical for all three branches

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45th Sustainment Brigade Unit Crest (We Fight to Serve) - Sold in Pairs SBBA~Pair~6554-USMC~6554-USMC|2 The numeral nine alludes toUnited States Army 45th Sustainment Brigade Unit Crest (We Fight to Serve) Criteria: This is the unit crest or distinctive unit insignia for the 45th Sustainment Brigade. It's headquarters is out of Schofield Barracks, HI. It is part of the 8th Theater Sustainment Command. Unit crests are worn on the Army's Dress Blue (ASU) uniform. Note: Sold in pairs (i. e., if you order a quantity of 1 you will receive two Unit Crests).