Theory, gave the Big Bang Theory "executive producer's challenge coin" to the crew of the last space shuttle. On the "Rockets" episode of Lock N' Load with R. Lee Ermey, R. Lee (Gunny) Ermey presents a challenge coin to Second Lieutenant Carr as a reward for being the "top gun" in his class with the Javelin Portable Rocket Launching System. Members of the American Radio Relay League who are volunteer examiners may carry the VEC (volunteer examiner coordinator) challenge coin. These members are responsible for administering Federal Communications Commission sanctioned examinations that allow successful applicants to qualify as amateur radio operators in the three different license categories of: technician, general, and amateur extra. The crew of Breaking Bad were given challenge coins designed by show creator Vince Gilligan for each new season. Another challenge coin was also included in the Blu-ray set of the entire series of the show. Video game companies like Treyarch gave these coins with certain packages for the release of Black Ops 2. The crowdfunded movie Lazer Team gave challenge coins to its backers as an optional perk of funding the movie. A challenge coin is presented in a handshake to Gerard Butler's character in the 2018 film Hunter Killer. Mystery Science Theater 3000 had challenge coins available for purchase commemorating their 30th anniversary on their 2018 30th anniversary "Watch Out For Snakes" Live Tour. Meanwhile, examples can also be found in the realms of business and education. Many businesses are using corporate coins to recognize staff achievements, improve employee morale and reduce turnover, For example, the Builders Association of the Twin Cities (BATC) issued a challenge coin highlighting their core values: "recruit, retain, grow." Also, St Mary's University issued a coin honoring the Public Safety Administration. Canada One of the first appearance of a challenge coin within the Canadian Forces (CF) was that of the Canadian Airborne Regiment. Although conceptualized in the early 1970s, it was not officially adopted until the regiment returned from Cyprus in 1974. Recognized as an "Americanism", the widespread use of challenge coins is new to the Canadian Forces and was introduced by General Rick Hillier as the Canadian Army began to work more closely with the US military. While many regiments and military establishments purchase them as 'challenge coins', most branches and schools within the CF use them for presentation purposes. The first RCAF coin belonged to 427 Squadron. Back