Taqiyah (cap) worn in India, Bangladesh, Pakistan, and other regions of South Asia. Many different types of topi caps include the Sindhi cap, worn in Sindh, and the crochet topi that is often worn at Muslim prayer services (see salat). The topi cap is often worn with salwar kameez, which is the national costume of Pakistan. "Taqiyah" is the Arabic word for a Muslim skullcap which is derived from (), means a ""dome"". This concept is taken from the Jewish traditions as the cap "kippah" () literally means a ""dome"" ( "Qubba") as well, and whoever wears this dome acknowledges the constant
Cap badge officers, a large eagle device is worn. For enlisted men, a small version of the officer's insignia centered on a disk is worn on the front. Warrant Officers wear a gold eagle device centered on the cap. For garrison caps, generally the rank insignia is worn, but recent regulations call for the wear of the DUI. For U.S. Air Force service caps, a large, silver eagle device is worn on the service caps. For enlisted men, a smaller version of the officer's insignia is worn, but enclosed in a ring. The use of the same device is because the U.S.