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  2. GAU-8 Avenger - Wikipedia

    en.wikipedia.org/wiki/GAU-8_Avenger

    The magazine can hold 1,174 rounds, although 1,150 is the typical load-out. Muzzle velocity when firing armor-piercing incendiary rounds is 1,013 m/s, almost the same as the substantially lighter M61 Vulcan's 20 mm round, giving the gun a muzzle energy of just over 200 kilojoules. [9] 30x173mm round next to a .30-06 Springfield for comparison

  3. Advanced Modular Armor Protection - Wikipedia

    en.wikipedia.org/wiki/Advanced_Modular_Armor...

    Advanced Modular Armor Protection (AMAP) is modular composite armour concept, developed by the German company IBD Deisenroth Engineering, since 2019 part of Rheinmetall Protection Systems. According to IBD AMAP is a 4th generation composite armour, making use of nano-ceramics and modern steel alloy technologies. [ 1 ]

  4. 120×570mm NATO - Wikipedia

    en.wikipedia.org/wiki/120×570mm_NATO

    120×570mm NATO tank ammunition (4.7 inch), also known as 120×570mmR, is a common, NATO-standard (STANAG 4385), tank gun semi-combustible cartridge used by 120mm smoothbore guns, superseding the earlier 105×617mmR cartridge used in NATO-standard rifled tank guns.

  5. Northrop B-2 Spirit - Wikipedia

    en.wikipedia.org/wiki/Northrop_B-2_Spirit

    The B-2's low-observable, or "stealth", characteristics enable the undetected penetration of sophisticated anti-aircraft defenses and to attack even heavily defended targets. This stealth comes from a combination of reduced acoustic , infrared , visual and radar signatures ( multi-spectral camouflage ) to evade the various detection systems ...

  6. Penetrance - Wikipedia

    en.wikipedia.org/wiki/Penetrance

    If 100% of individuals carrying a particular genotype express the associated trait, the genotype is said to show complete penetrance. [1] Neurofibromatosis type 1 (NF1), is an autosomal dominant condition which shows complete penetrance, consequently everyone who inherits the disease-causing variant of this gene will develop some degree of symptoms for NF1.

  7. Man-at-arms - Wikipedia

    en.wikipedia.org/wiki/Man-at-arms

    Between the 1280s and 1360s, figures between 20 and 30% were commonplace. Thereafter, there was a rapid decline, with the figure dropping to 6.5% in 1380. A slight rise is recorded to 8% at Agincourt , perhaps because this was a royal army, but thereafter the figure continued to decline and by 1443, the Duke of Somerset mustered only 1.3% ...

  8. Standard penetration test - Wikipedia

    en.wikipedia.org/wiki/Standard_penetration_test

    The sampling tube is driven into the ground at the bottom of a borehole by blows from a hammer with a mass of 63.5 kg (140 lb) falling a distance of 75 cm (30 in). The sample tube is driven a total of 45 cm into the ground and the number of blows needed for the tube to penetrate each 15 cm (6 in) interval up to a depth of 45 cm (18 in) is recorded.

  9. 1972 in the Vietnam War - Wikipedia

    en.wikipedia.org/wiki/1972_in_the_Vietnam_War

    1 January. U.S. military personnel in South Vietnam numbered 156,800 while Free World Military Forces (largely Republic of Korea Army) numbered 53,900. [4]: 387 The South Vietnamese government announced that there had been 20 breaches of the New Year's ceasefire resulting in nine South Vietnamese and 16 People's Army of Vietnam (PAVN)/Vietcong VC killed.