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The M26 grenade was developed to address perceived limitations of the Mk 2 grenade, which it was designed to replace.
Answer: True
Explanation: The M26 grenade was developed to address perceived limitations of the Mk 2 grenade, which it was designed to replace.
The M26 grenade was nicknamed the 'pineapple grenade' due to its distinctive shape.
Answer: False
Explanation: The M26 grenade was nicknamed the 'lemon grenade' due to its shape, not 'pineapple'.
The M26 grenade utilized a cast iron body to produce fragments upon detonation.
Answer: False
Explanation: The M26 utilized a thin sheet-metal body with a notched wire for fragmentation, unlike the cast iron body of the Mk 2.
The M26 grenade's fragmentation mechanism produced larger, less consistent fragments compared to the Mk 2.
Answer: False
Explanation: The M26's fragmentation mechanism produced smaller, more consistent fragments distributed more evenly than the Mk 2.
What was the primary purpose of the M26 hand grenade?
Answer: To injure or kill enemy personnel through shrapnel projection.
Explanation: The M26 grenade was designed as a fragmentation weapon intended to injure or kill enemy personnel via shrapnel.
What grenade did the M26 replace in the U.S. military arsenal?
Answer: The Mk 2 grenade
Explanation: The M26 grenade replaced the Mk 2 grenade in the U.S. military arsenal.
What nickname was given to the M26 grenade due to its shape?
Answer: Lemon
Explanation: The M26 grenade was nicknamed the 'lemon grenade' due to its distinctive shape.
How did the M26's fragmentation mechanism differ from the Mk 2?
Answer: The M26 used a thin sheet-metal body with a notched wire, while the Mk 2 used a cast iron body.
Explanation: The M26 employed a sheet-metal body with a notched wire for fragmentation, contrasting with the Mk 2's cast iron body.
What was an advantage of the M26's fragmentation method?
Answer: It distributed fragments more evenly over a wider area.
Explanation: The M26's fragmentation method produced smaller, more consistently distributed fragments, increasing its effective casualty radius.
Which of the following was a perceived drawback of the M26 grenade?
Answer: Inconsistent casualty radius.
Explanation: A perceived drawback of the M26 grenade was its inconsistent casualty radius.
What was the primary reason for developing the M26 grenade after World War II?
Answer: To address criticisms of the Mk 2 grenade regarding fragment consistency and safety.
Explanation: The primary reason for developing the M26 grenade after World War II was to address criticisms regarding the Mk 2's fragment consistency and safety features.
The M26A1 variant was adopted into service in 1958.
Answer: True
Explanation: The M26A1 variant was adopted into service in 1958.
The M26A1 featured a redesigned fragmentation coil with a circular cross-section.
Answer: False
Explanation: The M26A1 featured a redesigned fragmentation coil with a square cross-section, not circular.
The M26A2 omitted the tetryl booster charge found in the M26A1.
Answer: True
Explanation: The M26A2 variant omitted the tetryl booster charge that was present in the M26A1.
The M26A2 was designed to be narrower and longer than the M26A1.
Answer: False
Explanation: The M26A2 was described as wider and shorter than the M26A1, not narrower and longer.
The M26A1's tetryl booster charge was intended to reduce the grenade's fragmentation effect.
Answer: False
Explanation: The M26A1's tetryl booster charge was intended to ensure complete detonation of the explosive filler, not reduce fragmentation.
The M26A1 incorporated the M204A2 fuse, an improvement over the M204A1.
Answer: True
Explanation: The M26A1 incorporated the M204A2 fuse, which was an improvement over the M204A1.
What modification distinguished the M26A1 from the original M26?
Answer: It featured a square cross-section fragmentation coil and a tetryl booster charge.
Explanation: The M26A1 was distinguished from the M26 by its square cross-section fragmentation coil and the addition of a tetryl booster charge.
Which fuse was compatible with the M26A2's larger fuze well?
Answer: M215 or M217
Explanation: The M26A2's larger fuze well was compatible with the M215 or M217 fuzes.
What was the purpose of the tetryl booster charge in the M26A1?
Answer: To ensure complete detonation of the explosive filler.
Explanation: The tetryl booster charge in the M26A1 was intended to ensure the complete detonation of the grenade's explosive filler.
The M26A2's fuze well was compatible with which two types of fuzes?
Answer: M215 and M217
Explanation: The M26A2's fuze well was compatible with both the M215 and M217 fuzes.
The M26A1 featured a fragmentation coil with what type of cross-section?
Answer: Square
Explanation: The M26A1 featured a fragmentation coil with a square cross-section.
The M204-series fuse used with the M26 produced visible smoke and sparks upon ignition.
Answer: False
Explanation: The M204-series fuse used with the M26 was designed to produce no visible smoke or sparks upon ignition, enhancing user concealment.
The M217 impact fuze used with the M26A2 was universally praised for its reliability.
Answer: False
Explanation: The M217 impact fuze was criticized by soldiers for its tendency to prematurely detonate, causing friendly casualties.
The 'jungle clip' was designed to prevent the safety lever from disengaging if the safety pin was pulled.
Answer: True
Explanation: The 'jungle clip' was designed to prevent the safety lever from disengaging, even if the safety pin was pulled, providing an additional safety measure.
M26 series grenades could be launched from rifles using a standard 7.62mm adapter.
Answer: False
Explanation: M26 series grenades could be launched from rifles using the M1A2 Grenade Projection Adapter on a 22mm muzzle, not a standard 7.62mm adapter.
The M1A2 Grenade Projection Adapter allowed the M26 to be launched from rifles with a 22mm muzzle.
Answer: True
Explanation: The M1A2 Grenade Projection Adapter allowed the M26 to be launched from rifles with a 22mm muzzle.
The safety clip's primary function was to enhance the grenade's aerodynamic stability.
Answer: False
Explanation: The safety clip's primary function was to prevent accidental disengagement of the safety lever, not to enhance aerodynamic stability.
Which fuse type was commonly used with the M26 grenade?
Answer: M204-series Timed Friction Fuse
Explanation: The M26 grenade commonly utilized the M204-series Timed Friction Fuse.
What was a major issue with the M26A2's M217 impact fuze?
Answer: It could prematurely detonate upon impact with vegetation or accidental drops, causing friendly casualties.
Explanation: A major issue with the M26A2's M217 impact fuze was its tendency to prematurely detonate upon impact with vegetation or accidental drops, leading to friendly casualties.
What was the function of the 'jungle clip'?
Answer: To provide an additional safety measure against accidental detonation.
Explanation: The 'jungle clip' served as an additional safety measure, preventing accidental detonation by securing the safety lever.
How could M26 series grenades be launched from rifles?
Answer: Using the M1A2 Grenade Projection Adapter on a 22mm muzzle.
Explanation: M26 series grenades could be launched from rifles using the M1A2 Grenade Projection Adapter fitted to a 22mm muzzle.
What was the purpose of the M1A2 Grenade Projection Adapter?
Answer: To allow grenades to be launched from rifles.
Explanation: The M1A2 Grenade Projection Adapter was designed to allow grenades to be launched from rifles.
The M61 grenade is an M26A1 modified with a safety clip.
Answer: True
Explanation: The M61 grenade is an M26A1 variant that was modified by the addition of a safety clip.
The T39 grenade was an experimental practice version that was later redesignated as the M30.
Answer: True
Explanation: The T39 was an experimental practice grenade that was later redesignated as the M30.
The M30 practice grenade was filled with Composition B and painted green.
Answer: False
Explanation: The M30 practice grenade was filled with black powder and typically painted light blue, not green.
The M50 grenade was a live fire training conversion using the M30 body but filled with black powder.
Answer: False
Explanation: The M50 grenade was a live fire training conversion using the M30 body but filled with Composition B, not black powder, and had a sealed base plug.
The M62 grenade was the practice version of the M61 grenade.
Answer: True
Explanation: The M62 grenade was the practice version of the M61 grenade.
The M30 practice grenade signaled detonation by emitting a green flash.
Answer: False
Explanation: The M30 practice grenade signaled detonation by emitting noise and smoke from its base plug, not a green flash.
The M50 grenade was designed for training and lacked fragmentation.
Answer: True
Explanation: The M50 grenade was designed for training and lacked fragmentation, using Composition B filler.
The M66 was the practice version of the M61 grenade.
Answer: False
Explanation: The M66 was the practice version of the M57 grenade, not the M61.
What was the T38E1 variant?
Answer: The final experimental variant before official designation as M26.
Explanation: The T38E1 was the final experimental variant before the grenade was officially designated as the M26.
Which grenade is described as an M26A1 modified with a safety clip?
Answer: M61
Explanation: The M61 grenade is described as an M26A1 modified with a safety clip.
What was the M30 grenade?
Answer: A practice version of the M26 grenade.
Explanation: The M30 grenade was a practice version developed from the experimental T39, based on the M26 design.
How did the M30 practice grenade signal its detonation?
Answer: Its base plug popped out, producing noise and smoke.
Explanation: The M30 practice grenade signaled detonation by ejecting its base plug, which produced noise and smoke.
What was the M50 grenade used for?
Answer: Live fire training with reduced fragmentation.
Explanation: The M50 grenade was used for live fire training, offering a safer alternative with reduced fragmentation.
Which of the following is true about the M62 grenade?
Answer: It was the practice version of the M61 grenade.
Explanation: The M62 grenade was the practice version of the M61 grenade.
What was the primary characteristic of the M30 practice grenade's detonation?
Answer: A loud noise and smoke emission.
Explanation: The primary characteristic of the M30 practice grenade's detonation was the emission of loud noise and smoke.
The British L2 series grenade was equivalent to the American M26 grenade.
Answer: True
Explanation: The British L2 series grenade was equivalent to the American M26 grenade.
The L3 series grenade was the inert drill version in the British lineup.
Answer: False
Explanation: The L4 series was the inert drill version in the British lineup; the L3 was the practice variant.
The DM41 grenade was a French copy of the M26A1.
Answer: False
Explanation: The DM41 was a West German copy of the M26A1, not French.
The British L4 series grenade was the practice variant.
Answer: False
Explanation: The British L4 series was the inert drill version; the L3 was the practice variant.
What distinguished the British L3 series grenade?
Answer: It was the practice variant with a light blue shell.
Explanation: The British L3 series grenade was distinguished as the practice variant, typically featuring a light blue shell.
The DM41 grenade was a copy of which U.S. grenade?
Answer: M26A1
Explanation: The DM41 grenade was a West German copy of the American M26A1.
What was the British L4 series grenade used for?
Answer: Inert drill grenade
Explanation: The British L4 series grenade served as the inert drill version.
The M26 grenade was lighter than the Mk 2 grenade it replaced.
Answer: True
Explanation: The M26 grenade weighed approximately 16 ounces, making it lighter than the Mk 2 grenade it replaced.
The M26 grenade used TNT as its primary explosive filler.
Answer: False
Explanation: The M26 grenade was filled with Composition B, not TNT.
The development of the M26 grenade began in January 1959.
Answer: False
Explanation: Development of the M26 grenade began in January 1949.
The M26 grenade saw its first combat use during the Vietnam War.
Answer: False
Explanation: The M26 grenade first saw combat use during the Korean War.
The M26 grenade was used in the Six-Day War and the Yom Kippur War.
Answer: True
Explanation: The M26 grenade saw use in conflicts such as the Six-Day War and the Yom Kippur War.
Israel adopted the M26A2 as its standard grenade and later improved its safety fuze.
Answer: True
Explanation: Israel adopted the M26A2 as its standard grenade and later improved its safety fuze to prevent detonation from bullet strikes.
The M26 grenade had a mass of approximately 1 kilogram.
Answer: False
Explanation: The M26 grenade had a mass of approximately 16 ounces (454 grams), not 1 kilogram.
The M26 grenade contained 164 grams of Composition B filler.
Answer: True
Explanation: The M26 grenade contained 164 grams (5.75 ounces) of Composition B filler.
The M26 series grenades were still in US service throughout the 1970s, despite replacement efforts starting in 1969.
Answer: True
Explanation: The M26 series grenades remained in US service throughout the 1970s, even after replacement efforts began in 1969.
In which conflict did the M26 grenade first see combat use?
Answer: Korean War
Explanation: The M26 grenade first saw combat use during the Korean War.
What explosive filler was used in the M26 grenade?
Answer: Composition B
Explanation: The M26 grenade was filled with Composition B.
What was the approximate weight of the M26 grenade?
Answer: 16 ounces
Explanation: The M26 grenade weighed approximately 16 ounces (454 grams).
When did the development of the M26 grenade begin?
Answer: January 1949
Explanation: The development of the M26 grenade began in January 1949.
What was the M26 series' role during the Vietnam War?
Answer: Primary fragmentation grenade
Explanation: The M26 series served as the primary fragmentation grenade for U.S. forces during the Vietnam War.
Which grenade series began replacing the M26 starting in 1969?
Answer: M33 series
Explanation: The M33 series grenades began replacing the M26 series starting in 1969.
How were M26 grenades typically packaged for transport?
Answer: In fiberboard containers, often holding 25 or 30 grenades.
Explanation: M26 grenades were typically packaged in fiberboard containers, commonly holding 25 or 30 units.
Which of these conflicts is NOT listed as a conflict where the M26 grenade was used?
Answer: World War I
Explanation: The M26 grenade was not used in World War I; its usage began later, with conflicts like the Korean War.
Which country is listed as a user of the M26 or its variants, besides the United States?
Answer: Japan
Explanation: Japan is listed as a country that used the M26 or its variants, in addition to the United States.
What improvement was made to Israel's M26 grenade in 2012?
Answer: An improved safety fuze to prevent detonation from bullet strikes.
Explanation: In 2012, Israel improved its M26 grenade by adding a safety fuze designed to prevent detonation from bullet strikes.
What was the mass of the M26 grenade in grams?
Answer: 454 grams
Explanation: The M26 grenade had a mass of 454 grams (approximately 16 ounces).
Which of the following was NOT a conflict where the M26 was used?
Answer: World War II
Explanation: The M26 grenade was not used in World War II; its service began later, with the Korean War.
What was the weight of the explosive filler in the M26 grenade?
Answer: 5.75 ounces
Explanation: The M26 grenade contained 5.75 ounces of explosive filler.