Here are some patches used by different Armed Forces of the world

Pakistan Naval Aviation 111 Squadron Operates SEAKING MK45/45A for SAR/ASV & ASW role.

Pakistan Airforce operates 02 Squadrons of F-16 Falcon.

Theses Patches are used by PORTUGAL NAVAL LYNX crew.

Crew of US NAVY F-14 TOMCAT  VF-103 Squadron uses this Patch.