On 1 June 1918 a panel of AEF officers conducted an exhaustive field test of various trench knives, including the U . S . M1917, the " Hughes " trench knife and the standard-issue trench knives of the British and French armies, respectively.
32.
As the war went on, newer and more versatile blade-type trench knife patterns such as the double-edged dagger " Couteau Poignard Mle 1916 " ( often called " Le Vengeur " ) began to replace the " French Nail " and earlier stiletto-style trench knives.
33.
Among the weapons she has used were a . 50 caliber Barrett M82, SPAS-12 shotgun disguised as an umbrella ( reinforced with Kevlar ), machine gun, and semi-automatic grenade launcher hidden in a suitcase, Trench knife, and twin IMBEL Model 1911 pistols ( see Colt M1911 pistols ).
34.
In 1943, the U . S . Army adopted the M3 Trench Knife as a replacement for the Mark I . The Mark I required strategic metals to produce and was too costly to place into mass production, and had been criticized as being unsuited to more modern styles of hand-to-hand knife fighting.
35.
The "'Mark I trench knife "'was an American trench knife designed by officers of the American Expeditionary Force ( AEF ) for use in World War I . It had a double edged dagger blade useful for both thrusting and slashing strokes, unlike previous U . S . trench knives such as the M1917 and M1918.
36.
The "'Mark I trench knife "'was an American trench knife designed by officers of the American Expeditionary Force ( AEF ) for use in World War I . It had a double edged dagger blade useful for both thrusting and slashing strokes, unlike previous U . S . trench knives such as the M1917 and M1918.