The chair step is a type of high step used by marching bands.
 This step is named because of the resemblance of the leg in action to a leg's position when sitting in a chair.
 It is primarily used by bands that brand themselves as traditional-style bands.
 Nearly all bands in the Big Ten Conference use this style.
 It is also common in Midwestern high school marching bands, most of which are heavily influenced by Big Ten bands.
12 Major Charles (Chas) Oliver Fairbank (RMC 1876), M.D. was born July 21, 1858 in Niagara Falls, Welland County Ontario.
 He was the son of famous Petrolia oil pioneer, James Henry Fairbank and grew up in the oil rush of Oil Springs and Petrolia.
 From the age of four to eight lived with his father in the Oil Springs log shanty.
 He was an oil operator who took the reins of all the family businesses in 1912 as the oil fields began declining.
 The businesses included oil production and a hardware store.
 The Fairbank family founded Fairbank Oil (still in operation) in 1861.
 He studied at Helmuth College in London, Ontario.
 Gentleman Cadet Fairbank was a member of the first class at Royal Military College of Canada, soon known as the "Old Eighteen."
 He entered 1st term on the 1st June 1876 and graduated in 1880.
 He graduated in 1891 with a degree of Doctor of Medicine from College of the Province of New York Known as King's College, now Columbia College.
 Due to his short stature, he was known as the little doctor.
 As part of the HQ staff, During World War I, he served as M.D. #1.
 The businesses included one of Canada’s last private banks, which was in continuous operation from 1869 - 1924 when it closed its doors voluntarily.
 He was the oil man who hit Canada's first gas gusher in 1914 and developed oil fields both in Bothwell, Ontario and in Elk Hills, California.
G.a.s. Drummers was a melodic hardcore band formed in Jerez de la Frontera, Spain at the end of 1997 by three teenagers who stood out from their other students due to their colourful hair dies and their taste in the california punk rock bands such as Bad Religion, Operation Ivy, NOFX, Lagwagon, The Descendents etc.
 Original members from other small local bands Dani Llamas (guitar and vocals), Pakomoto (Bass and vocals) and Rafa Camison (Drums) started playing together and composing their own music and after one year of sending demos around the country they got put as the opening act for Swedish Punk Rock band Randy on their Spanish tour.
 A tour that took the band through the whole country helping a lot of Spanish kids discover that there were actually Spanish bands capable of sounding as good as some of their favorite American bands.
 This lead immediately the band to sign to a young record label called Slide Chorus Records a young emerging record label from Madrid which would start releasing albums for other Spanish Punk Rock bands.
 This first release titled Proud To Be Nothing hit the streets at the end of 1999 and was presented on their first European tour which covered Spain, Great Britain, France and the Netherlands amongst Spanish punk rock legend[P.P.M.
Type 346 radar is a highly digitized, multi-function, dual-band (S and C bands) naval active phased array radar (APAR) installed on Type 052C destroyers, Type 052D destroyers and Type 055 destroyers of the PLAN.
 The radar is named as the Star of the Sea (Hai-Zhi-Xing, 海之星) by its developer and it is one of the two competitors for PLAN’s SAPARS (Shipborne Active Phased Array Radar System) project/program.
 Due to its secrecy and lack of information, Type 346 radar has been frequently but erroneously confused with a Chinese fire control radar Type 348, and mistakenly identified as Type 348 by many sources.
 Furthermore, it is also frequently confused with and misidentified as Sea Lion series C-band phased array radars developed by another design house.
The Class 399 "Citylink" is a type of rail vehicle being built by Vossloh for operation by Sheffield Supertram.
 Although the type will be a low floor tram, it will be operated as the United Kingdom's first tram-train type, as part of an initial pilot of the operation of such vehicles.
The Operation M.D. (formerly The Operation) is a Canadian garage rock band created by Dr. Dynamite (Cone of Sum 41) and Dr. Rocco (Todd Morse of HO) as a side project to their other bands.
 The band's debut album "We Have an Emergency" was released in February 2007 by Aquarius Records.
 Their second album "Birds + Bee Stings" was self-released by the band's own label "Mouth To Mouth Music" in June 2010.
Tuscadero was an indie rock band from Washington, DC, one of the most prominent on the Washington-based TeenBeat Records roster.
NGC 1448 or NGC 1457 is an unbarred spiral galaxy seen nearly edge-on in the constellation Horologium.
 It is at a distance of 55 million light years from Earth.
 It was discovered by John Herschel in 1835.
 Four supernovae have been discovered in NGC 1448, SN 1983S (14.5 mag, type II), SN 2001el (14.5 mag, type Ia), SN 2003hn (14.1 mag.
 type II), and SN 2014df (14.0 mag., type Ib).
 From the spectral analysis of SN 2001 el, over a dozen diffuse interstellar bands were discovered in NGC 1448, one of the few cases that these bands were observed outside of the Milky Way.
 However, the bands were significantly weaker at SN 2003hn.
Operation Jacana is the codename for a series of operations carried out by coalition forces in Afghanistan.
 The operations were carried out most notably by 45 Commando Royal Marines.
 U.S. forces, Australian SAS and Norwegian FSK also participated.
 The operation was a follow-up operation of Operation Anaconda and was meant to kill or capture the remaining Al-Qaida and Taliban rebels.
 The operation has been called a "mopping up" operation after Operation Anaconda.
 The operation is named after an African bird type, jacana, described in one manual as "shy, retiring, easily overlooked".
Juvenile jazz bands are a type of children's marching band that started in the 20th century almost exclusively in working class mining areas of the North of England and the Midlands, with a few bands in the mining areas of Wales.
 Historically, the bands originated in the tradition of coal miners' union marches and colliery brass bands.
 It was felt that the children should be allowed to participate, and the earliest bands were the children's section of trade union parades.
 They form an important part of British working class culture.

Question: What type of bands are The Operation M.D. and Tuscadero.
Answer: rock band