Question: The World of Charlie Company and Crumb, are films of which genre?
Context: The 2nd Battalion (Norwegian: "2.  bataljon" ; abbreviated as 2BN) is an infantry unit of the Norwegian Army, based at camp Skjold in Troms county in Northern Norway.  It serves in the light infantry role specialized in Arctic warfare as part of Brigade Nord; the battalion is one of three manoeuvre battalions within the brigade, along with Telemark Battalion and Panserbataljonen.  The 2nd Battalion serves two roles, primarily being organised for domestic defence; however, during Norway's contribution to the NATO forces in Afghanistan, the 2nd Battalion played a vital role.  The 2nd Battalion also contributed consistently to the ISAF forces in northern Afghanistan, supporting an elite trained light infantry, organized as a Quick Reaction Force (QRF).  The battalion is divided into four companies: Bravo company, Charlie company, the cavalry squadron and the support company.  Bravo company and Charlie coy serves as specialized light infantry, focusing on Arctic warfare and urban warfare.  The cavalry squadron is the battalion's internal intelligence unit as well as consisting of one platoon of marksmen.  The support company is the largest of the four, and primarily consists of medics, anti-tank personnel, combat, service and support.  The battalion uses a khaki beret, as opposed to the traditional black beret worn by cavalry units throughout the world, which symbolizes the battalion's long and proud history of producing some of Norway's most elite and well equipped soldiers. My Lai is a documentary film created by PBS; it aired as an episode of" American Experience."  The documentary details the 1968 My Lai Massacre and its background.  Topics of the video include the men of Charlie Company and the cover-up of the event.  Hugh Thompson, Jr. (the rescue helicopter pilot who confronted the ground forces personally, reported the killings, and helped halt the massacre) is also covered in the documentary. The War Tapes is a 2006 American war documentary film, directed by Deborah Scranton.  The film is the first documentary account of the 2003 invasion of Iraq to be produced by the soldiers themselves.  The film (released commercially in 2006) follows three New Hampshire Army National Guard soldiers before, during, and after their deployment to Iraq about a year after the invasion.  Their unit was Charlie Company, 3rd Battalion, 172nd Infantry Regiment (Mountain), which deployed from March 2004 to February 2005. The 296th Brigade Support Battalion (BSB) is a battalion of the United States Army composed of five companies that support the operations of the 1/2 ID SBCT.  The companies are Headquarters & Headquarters Company (HHC), Alpha Company (A Co), Bravo Company (B Co), and Charlie Company (C Co), 334th Signal Company (334th Sig). RAFM Company, Inc. of Brantford, Ontario is a producer of miniatures, reference materials, and board games.  RAFM has produced games, reference materials, and their own lines of miniature figures in 15 mm, 20 mm, 25 mm, and 28 mm scales since 1977.  Their games concern soldiers, adventurers, and monsters inspired by history and fiction, and their products are sold at gaming conventions, in hobby shops, and by mail order for use in role playing games, wargaming, dioramas, competitive painting, and collecting.  The company is best known for its "Baker Company" (WW2 Rules & Miniatures 20mm), "Charlie Company" (Vietnam Rules & Miniatures 20mm), "Death in the Dark" (28mm Fantasy Board Game), RAFM historical miniatures, "Call of Cthulhu" miniatures, fantasy miniatures (featuring the new "Iron Lords" line of 28mm figures), "" figures, historical source materials, and pewter dice. The Battle of Xa Cam My was fought over two days from April 11–12, 1966, 10 mi south of the village of Cam My in Phuoc Tuy Province, during the Vietnam War.  Originally planned as a U.S. search and destroy mission intended to lure out the "crack" Viet Cong D800 Battalion, Charlie Company, US 2/16th Infantry Battalion soon found itself fighting for survival in the rubber plantations of Cam My village, approximately 42 mi east of Saigon.  During this battle 134 men of Charlie Company, 2nd Battalion, 16th Infantry, 1st Infantry Division were ambushed by the Viet Cong and 80 percent became casualties. The Nigerian Military School Zaria, founded as the Boys-Company of Nigeria in 1954, was established under the auspices of Nigerian Regiment Training centre of the Royal West African Frontier Force (RWAFF).  The school was established along with three others in the British Colonial West Africa in Gambia, Gold Coast (now Ghana), and Sierra Leone.  It was modeled after the Boys Wing of the British Army.  The present day Military School came into being on May 20, 1954.  The Nigerian Military School (NMS) had a student battalion that consisted of 4 company in its early years: Alpha Company, Bravo Company, Charlie Company, & Delta Company.  Three additional companies were added: Echo Company,Foxtrot Company, & Golf Company.  The Boys Company as it used to be called was established as a full-fledged training institution under the regimentation and administration of the defunct Nigerian Regimental Training Centre (NRTC) now Depot NA. Crumb is a 1994 documentary film about the noted underground cartoonist Robert Crumb (R. Crumb) and his family.  Directed by Terry Zwigoff and produced by Lynn O'Donnell, it won widespread acclaim.  It was released in the USA on April 28, 1995, having been screened at film festivals the previous year.  Jeffery M. Anderson (later critic for the "San Francisco Examiner") placed the film on his list of the ten greatest films of all time, labeling it "the greatest documentary ever made." The World of Charlie Company is a one-hour film documentary produced by CBS News in 1970 that shows what life was like in the jungles of South Vietnam for a rifle company of American soldiers fighting regular units of the North Vietnamese Army. Lions of Medina is a book written by historian Doyle Glass, first published by Coleche Press on May 1, 2007 and subsequently by NAL Caliber (Penguin) on July 1, 2008.  The book is a first hand account of the Marines and Navy Corpsmen of Charlie Company, 1st Marines, 1st Marine Division during the Vietnam War culminating in Operation Medina in October 1967.
Answer: documentary