6th ADA (Air Defense Artillery) Unit Crest (Certo Dirigo Ictu) - Sold in Pairs PICK_PAIR_NON_IDENTICAL~1447 ADJG-ENL-BI a Navy physician is typically

a Navy physician is typically deployed to the fleet as a General Medical Officer

the service ribbon is worn with a silver E device

United States Army 337th Engineer Battalion Unit Crest (Keystone Engineers)

have completed a minimum of five additional static-line or P3 jumps

Air Force as a separate branch of service in 1947

6th ADA (Air Defense Artillery) Unit Crest (Certo Dirigo Ictu) - Sold in Pairs PICK_PAIR_NON_IDENTICAL~1447 ADJG-ENL-BI a Navy physician is typicallyUnited States Army 6th ADA (Air Defense Artillery) Unit Crest (Certo Dirigo Ictu) Criteria: This item is the unit crest for the 6th ADA (Air Defense Artillery.) The unit's motto, "Certo Dirigo Ictu," is emblazoned across the lower scroll and translates as, "I Aim With A Sure Blow." The color red alludes to the unit's Artillery designation. The bear is adapted from the crest of the Coast Defenses of San Francisco, from which this unit was originally