Flag of Greece the centre of the cross the image of Saint George is shown on Army war flags and the image of archangel Michael is shown on Air Force war flags. In the Army war flags are normally carried by infantry, tank and special forces regiments and battalions, by the Evelpidon Military Academy, the Non-Commissioned Officers Academy and the Presidential Guard when in battle or in parade. However, flying a war flag in battle is unlikely with current warfare tactics. The current naval and civil ensigns are identical to the national flag. The simple "white cross on blue field" pattern is also
Flag of the Greek Orthodox Church of the Byzantine Empire. The double-headed eagle was historically used as an emblem in the late Byzantine period (14th–15th centuries), but not on flags; rather it was embroidered on imperial clothing and accoutrements by both the Palaiologos emperors of the Byzantine Empire and the Grand Komnenos rulers of the Empire of Trebizond, descendants of the Byzantine imperial family of the same name. The actual flag of the Palaiologan-era Byzantine Empire was based on the tetragrammatic cross in gold on a red background. This design also forms the basis for another flag used by the Orthodox Church of Greece, with the