Green beret
The 10th Special Forces Group (Airborne) had many OSS World War II veterans in their ranks when it was formed in 1952. They began to unofficially wear a berets of varying colour while training. The color green became favored because it was reminiscent of the World War II British Commando-type beret. The 10th Special Forces Group (Airborne) deployed to Bad Tolz, Germany in September 1953. The remaining cadre at Fort Bragg formed the 77th Special Forces Group. Members of the 77th SFG began searching through their collections of berets and settled on the Rifle Green colour of the British Rifle Regiments (as opposed to the Lovat Green of the Commandos) from Captain Mike de la Pena's collection. Captain Frank Dallas had the new beret designed and produced in small numbers for the members of the Special Forces.
Military beret
Berets are also used by the Finnish Border Guard, which is a military organization under the aegis of Ministry of Interior during peacetime.The military beret originated in the French Army, in the form of the wide and floppy headdress worn by the Chasseurs Alpins (mountain light infantry) from their foundation in the early 1880s. The practical uses of the beret were soon known army-wide: the entire Expeditionary Force sent in China in 1900 used berets as headwear A tight-fitting version was subsequently adopted by French armoured troops towards the end of World War I. Between the wars, special fortress units raised to garrison the Maginot Line wore khaki berets as did the 13th Demi-Brigade of Foreign Legion when it was created in 1940. The Vichy Milice of the War period wore a blue beret.