Question: One of the film stars in Terry Jones' 2015 British science fiction comedy was a retired United States Marine Corps what?
Context: Richard F. Natonski is a retired United States Marine Corps lieutenant general whose last assignment was as the Commander of U.S. Marine Corps Forces Command.  He assumed the post in August 2008, having previously served as the United States Marine Corps Deputy Commandant for Plans, Policies and Operations from 2006.  He retired at Marine Barracks 8th & I on 8 September 2010. James F. "Jim" Amos (born November 12, 1946) is a retired United States Marine Corps four-star general who served as the 35th Commandant of the Marine Corps.  As a Naval Aviator, Amos commanded the 3rd Marine Aircraft Wing during the Iraq War in 2003 and 2004.  He served as the 31st Assistant Commandant of the Marine Corps.  He is the first Marine Corps aviator to serve as commandant. John M. Paxton Jr. (born June 25, 1951) is a retired United States Marine Corps general who served as the 33rd Assistant Commandant of the Marine Corps.  Prior to current assignment, he served as the Commanding General of U.S. Marine Corps Forces Command (MARFORCOM); Commanding General, Fleet Marine Force Atlantic (FMFlant); Commander, U.S. Marine Corps Forces Europe, as well as II Marine Expeditionary Force.  Paxton retired on August 4, 2016, after 42 years of service. Stephen A. Cheney is a retired United States Marine Corps Brigadier General who served for more than 30 years.  He is a graduate of the United States Naval Academy, and held command positions at the Marine Corps Recruit Depots in San Diego and Parris Island, where he was Commanding General.  He also served as Inspector General of the Marine Corps from 1997-1999, during which time he was also Deputy Inspector General for the Department of the Navy.  He retired from active duty in 2001.  Cheney is currently CEO of the American Security Project. 3d Light Antiaircraft Missile Battalion (3d LAAM Bn) was a United States Marine Corps air defense unit equipped with the medium range surface-to-air MIM-23 HAWK Missile System.  During World War II, the battalion was known as the 3rd Defense Battalion and took part in combat operations at Pearl Harbor, Midway, Guadalcanal and Bougainville.  The unit was deactivated in late 1944 but was brought back into service as the Marine Corps began to transition to surface to air missiles for their air defense needs in the early 1950s.  During the mid to late 1950s, the battalion was based at Marine Corps Training Center 29 Palms, California and was one of two Marine Corps units that operated the land-based version of the RIM-2 Terrier Missile.  In January 1963 3d LAAM battalion was moved to Marine Corps Air Station Cherry Point, North Carolina and would eventually fall under the command of Marine Air Control Group 28 (MACG-28) and the 2nd Marine Aircraft Wing (2nd MAW).  3d LAAM Battalion's final combat tour saw it providing air defense for the Marine Corps area of operations during Operation Desert Shield/Desert Storm.  3d LAAM Battalion was deactivated on 30 September 1994 as part of the post-Cold War draw down of forces and because the Marine Corps had made the decision to divest itself of its medium-range air defense. Robert Allen Riggle Jr. (born April 21, 1970) is an American actor, comedian and retired United States Marine Corps Reserve officer.  He is best known for his work as a correspondent on Comedy Central's "The Daily Show" from 2006 to 2008, as a cast member on "Saturday Night Live" from 2004 to 2005, and for his comedic roles in films such as "The Hangover", "The Other Guys", "Let's Be Cops", "Dumb & Dumber To", "21 Jump Street", "22 Jump Street", "", and "Step Brothers".  He has also co-starred in the Adult Swim comedy-action series "".  In 2012, Riggle replaced Frank Caliendo for the comedy skit and prognostication portions of "Fox NFL Sunday". Donald Nathan Aldrich (24 October 1917 – 3 May 1947) was a United States Marine Corps Reserve captain and World War II flying ace.  With 20 victories, Aldrich was the fifth-highest-scoring Marine Corps ace of the war.  He joined the Royal Canadian Air Force after the United States Army Air Corps refused him because he was married.  Aldrich became an instructor pilot and transferred to the United States Marine Corps in late 1942.  He joined VMF-215 in the Solomon Islands campaign in June 1943, flying the Vought F4U Corsair.  Aldrich added to his 20 victories in three combat tours with six probables, the highest total number of probables in the Marine Corps.  Postwar, Aldrich continued to serve in the Marine Corps and was killed in a 1947 plane crash. Leslie M. Palm (born October 14, 1944) is a retired United States Marine Corps major general who is currently the Publisher and CEO of the Marine Corps Association.  His last active duty position was the Director, Marine Corps Staff, Headquarters Marine Corps, Washington, D.C. (1996–1998).  Palm retired on September 1, 1998. Absolutely Anything is a 2015 British science fiction comedy film directed by Terry Jones, and written by Jones and Gavin Scott.  The film stars Simon Pegg, Kate Beckinsale, Sanjeev Bhaskar, Rob Riggle, Eddie Izzard and Joanna Lumley, with the voices of Michael Palin, Terry Jones, Terry Gilliam, John Cleese, Eric Idle and Robin Williams in his final film role.  It was the first film to feature all living Monty Python members since 1983's "Monty Python's The Meaning of Life".  Principal photography and production began on 24 March 2014, and ended on 12 May 2014.  The film was released in the United Kingdom on 14 August 2015 by Lionsgate UK.  The film grossed $3.8 million worldwide. The Commandant of the Marine Corps (CMC) is normally the highest-ranking officer in the United States Marine Corps and is a member of the Joint Chiefs of Staff.  The CMC reports directly to the United States Secretary of the Navy and is responsible for ensuring the organization, policy, plans, and programs for the Marine Corps as well as advising the President, the Secretary of Defense, the National Security Council, the Homeland Security Council, and the Secretary of the Navy on matters involving the Marine Corps.  Under the authority of the Secretary of the Navy, the CMC designates Marine personnel and resources to the commanders of Unified Combatant Commands.  The Commandant performs all other functions prescribed in Section 5043 in Title 10 of the United States Code or delegates those duties and responsibilities to other officers in his administration in his name.  As with the other joint chiefs, the Commandant is an administrative position and has no operational command authority over United States Marine Corps forces.
Answer: Reserve officer