The Diver Insignia (also known as "Diver Badges") are qualification badges of the Uniformed Services of the United States which are awarded to servicemen qualified as divers. Originally, the Diver Insignia was a cloth patch decoration worn by United States Navy divers in the upper-portion of the enlisted service uniform's left sleeve during the first part of World War II when the rating insignia was worn on the right sleeve. When enlisted rating insignia were shifted to the left sleeve in late World War II, the patch shifted to the upper right sleeve. The diving patch was created during WWII, and became a breast insignia in the late 1960s.
Currently, the United States Navy and the United States Army issue Diver Insignia/Badges denoting degrees of qualification. The United States Coast Guard and United States Marine Corps personnel are eligible to earn most of the naval diver insignia.
United States naval diver insignia are awarded, per degree of qualification, to Sailors, Marines, and Coast Guardsmen. The elementary naval diver insignia is the Scuba Diver Insignia, awarded upon qualifying as a basic naval diver. Previously, the Scuba Diver Insignia was awarded in two degrees, one for officers and one for enlisted. The Navy eliminated the Scuba Diver Officer insignia in the 1990s, but it remains in service within the Coast Guard. The silver-colored insignia features an old-fashioned diving mask and open-circuit breathing apparatus. 
In 2001, the Marine Corps authorized the creation of a new badge, the Combatant Diver Insignia, attesting to the wearer's closed-circuit rebreather and reconnaissance combat diver training; the gold-colored Combatant Diver Insignia depicts a wetsuit hood, low-profile diving mask, and chest-mounted rebreather. 
The Naval deep sea diver qualification insignia are awarded in four degrees; Second-Class Diver, First-Class Diver, Master Diver, and Diving Officer. However, the Marine Corps does not award the Diving Officer insignia to its officers. In the Navy, the master diver is the most qualified diver; he must be a Chief Petty Officer before applying to attend the Master Diver course. 
The Diving Medical Officer and the Diving Medical Technician insignia are awarded to naval medical personnel qualified as a diver and as medical technicians, the Master Diver Insignia resemble the diving medical insignias but are decorated with a caduceus; the Diving Medical Officer Insignia is gold in color while the enlisted Diving Medical Technician Insignia is silver. Since the Marine Corps and the Coast Guard have no organic medical officers, it does not issue the Diving Medical Officer Insignia.  
Like the Navy's surface, submarine, and aviation enlisted specialties, dive-qualified enlisted personnel place a term after the sailor’s rating; for example, if Boatswain's Mate Second-Class Jones is dive-qualified, he is referred to, in writing, as BM2 (DV) Jones.
The only non-armed service of the United States that awards diver badges is the National Oceanic and Atmospheric Administration Commissioned Corps (NOAA Corps). NOAA Corps officers qualified as NOAA divers may wear the NOAA Diver Insignia after authorization by the Director of the NOAA Corps. The NOAA Diver Insignia is a gold-colored pin consisting of a NOAA Corps device surrounded by two dolphins. 
|Awarded by United States Army|
|Next (higher)||(Group 4 badges)
Pathfinder, Parachutist, Air Assault, Military Freefall Parachutist
|Equivalent||(Group 5 badges)
Driver and Mechanic, Rigger
The United States Army issues Diver Badges in four degrees (Second-Class Diver, Salvage Diver, First-Class Diver, and Master Diver) and Special Operations Diver badges in two degrees (Diver and Diving Supervisor). The Second-Class and First-Class Diver badges are identical to those issued by U.S. naval forces. The Army does not issue officer or medical diver badges; however, Navy-awarded Diving Officer, Diving Medical Officer, and Diving Medical Technician Badges are authorized for wear on Army uniforms with written approval from the United States Army Human Resources Command.   
On 17 September 2004, the Scuba Diver Badge was discontinued in lieu of a new Special Operations Diver Badge and an additional grade, the Special Operations Diving Supervisor Badge, was created. Prior to this change, the basic Scuba Diver Badge was the same for all of the U.S. armed forces. The new design includes sharks, symbolizing speed, stealth, and lethal efficiency, and two Fairbairn-Sykes Fighting Knives in saltire, representing the heritage of OSS Operational Swimmers during World War II. The Combat Diver Qualification and Combat Diving Supervisors Courses are taught by Company C, 2nd Battalion, 1st Special Warfare Training Group at the Special Forces Underwater Operations School, Naval Air Station Key West.    
The United States Air Force issues a polished silver version of the Scuba Diver Insignia, awarded to U.S. naval forces, as their Scuba Badge to graduates of the Air Force Combat Diver Course at the Navy Diving Salvage and Training Center, Naval Support Activity Panama City.  
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