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481481
Caption: Illustration of a small catapult with wheels, such as would have been used in battle.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 25.07 MB
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74557
Caption: Army sergeant teaching computer training class
Artist: Jude Maceren
Release: Not Applicable
File Size: 27.98 MB
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494890
Caption: Camouflage helmet hanging on nail
Artist: Doriano Solinas
Release: Not Applicable
File Size: 50.49 MB
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514761
Caption: Dove flying over soldiers helmets, guns, and American flags
Artist: Miriam Selmi Reed
Release: Not Applicable
File Size: 50.01 MB
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126156
Caption: Man with clocks for eyes
Artist: Franklin Hammond
Release: Not Applicable
File Size: 61.16 MB
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481294
Caption: Illustration of the Vigenere Table, using 'VVVRBACP' as the cipher and 'COVERCOVER' as the key, resulting in 'THANKYOU.'
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 31.62 MB
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518001
Caption: U.S. soldier in front of line of people and American flag
Artist: Roy Scott
Release: Not Applicable
File Size: 50.47 MB
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116549
Caption: American flag behind weapons
Artist: Jim Zook
Release: Not Applicable
File Size: 35.03 MB
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506547
Caption: Teller-Ulam two-stage thermonuclear bomb design
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 17.43 MB
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142577
Caption: Close up of gun barrels and gun site
Artist: Todd Davidson
Release: Not Applicable
File Size: 60.02 MB
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520941
Caption: American businessman sharing data with a Chinese soldier pretending to be a businessman.
Artist: Anthony Freda
Release: Not Applicable
File Size: 53.29 MB
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507009
Caption: The blast from a primary fission component triggers a secondary fusion explosion in a thermonuclear bomb or warhead
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 41.86 MB
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481142
Caption: The ADFGVX cipher, employed by the German army in World War I.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 28.23 MB
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123035
Caption: Three soldiers with needles as guns
Artist: Michael Trinsey
Release: Not Applicable
File Size: 62.79 MB
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516591
Caption: Dragon about to attack US. Vessel
Artist: Christopher Zacharow
Release: Not Applicable
File Size: 44.63 MB
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514148
Caption: Champagne bottles over military tanks
Artist: Janusz Kapusta
Release: Not Applicable
File Size: 63.73 MB
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514965
Caption: Children and parent walking in field of crosses
Artist: David Weigham
Release: Not Applicable
File Size: 49.93 MB
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521133
Caption: American flag with eye relecting the globe in place of stars
Artist: Doriano Solinas
Release: Not Applicable
File Size: 49.98 MB
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520812
Caption: Former female solder in business suit looking at a bricked-in window
Artist: Richard Tuschman
Release: Not Applicable
File Size: 64.17 MB
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3347
Caption: A woman doing yoga exercises
Artist: Bek Shakirov
Release: Not Applicable
File Size: 55.93 MB
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508820
Caption: Person arranging toy soldiers on grid
Artist: Dante Terzigni
Release: Not Applicable
File Size: 83.43 MB
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516963
Caption: Weapons and army tank hanging from strings on red gas pump line
Artist: Bill Nagel
Release: Not Applicable
File Size: 50.70 MB
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481211
Caption: During WWI, the U.S. Army Signal Corps rotated the inner ring of this cipher disk to encrypt messages in the field quickly.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 41.86 MB
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15780
Caption: Illustration of helmet on rifle with American flag
Artist: Vance Vasu
Release: Not Applicable
File Size: 77.25 MB
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433215
Caption: Boot stepping on bare foot
Artist: Janusz Kapusta
Release: Not Applicable
File Size: 30.62 MB
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516609
Caption: Fighter jets flying in formation above aircraft carrier
Artist: Vance Vasu
Release: Not Applicable
File Size: 49.99 MB
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508887
Caption: Dove of peace on camouflage helmet
Artist: Doriano Solinas
Release: Not Applicable
File Size: 50.38 MB
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9863
Caption: Plant growing in soldier's helmet
Artist: Christopher Zacharow
Release: Not Applicable
File Size: 79.82 MB
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501598
Caption: People threading needle cannons
Artist: Janusz Kapusta
Release: Not Applicable
File Size: 50.42 MB
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510165
Caption: The Cross of Valour, the highest of the Canadian Civil Awards, is presented to individuals - both Canadians and foreigners, living and deceased - who have performed acts of courage in circumstances of extreme peril.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 10.29 MB
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501424
Caption: Large message in a bottle cannon on globe
Artist: Janusz Kapusta
Release: Not Applicable
File Size: 50.47 MB
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16427
Caption: Rifles arranged in the shape of peace symbol
Artist: Jim Zook
Release: Not Applicable
File Size: 58.81 MB
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495181
Caption: USS Arizona Memorial
Artist: Coco Masuda
Release: Not Applicable
File Size: 51.59 MB
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126373
Caption: Young couple statue embracing and kissing under military hat
Artist: Christopher Zacharow
Release: Not Applicable
File Size: 79.31 MB
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517249
Caption: Camouflaged soldier holding rifle
Artist: Vance Vasu
Release: Not Applicable
File Size: 49.99 MB
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12940
Caption: Soldiers aiming guns from behind globe
Artist: Janusz Kapusta
Release: Not Applicable
File Size: 41.04 MB
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521948
Caption: Veteran Transitioning Into Workforce
Artist: Doug Ross
Release: Not Applicable
File Size: 49.97 MB
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12926
Caption: American flag with crossbow pointing at people
Artist: Janusz Kapusta
Release: Not Applicable
File Size: 48.15 MB
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512902
Caption: Globe emerging from cannon
Artist: Jim Zook
Release: Not Applicable
File Size: 50.76 MB
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6748
Caption: Knights on horseback flying 'Baby Boomers' banner
Artist: Igor Kopelnitsky
Release: Not Applicable
File Size: 64.89 MB
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10771
Caption: SWAT team pointing guns
Artist: Dynamic Duo Studio
Release: Not Applicable
File Size: 33.77 MB
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13652
Caption: Illustration of soldiers in tank in front of Middle Eastern flag
Artist: Vance Vasu
Release: Not Applicable
File Size: 77.25 MB
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4366
Caption: Soldiers carrying firearm over chasm
Artist: Janusz Kapusta
Release: Not Applicable
File Size: 32.09 MB
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315427
Caption: Percent sign anchor dragging down ship
Artist: Grahame Arnould
Release: Not Applicable
File Size: 50.24 MB
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433612
Caption: Asian leader behind launched missile
Artist: Robert Dale
Release: Not Applicable
File Size: 58.59 MB
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4367
Caption: Soldiers aiming firearms out of American flag top hat
Artist: Janusz Kapusta
Release: Not Applicable
File Size: 33.53 MB
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516737
Caption: Jet stream behind fighter jets flying in formation
Artist: Vance Vasu
Release: Not Applicable
File Size: 49.99 MB
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480614
Caption: Euro artillery tank facing off with dollar artillery tank
Artist: Janusz Kapusta
Release: Not Applicable
File Size: 51.71 MB
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2027
Caption: Two men reading documents on the desk
Artist: Scott Menchin
Release: Not Applicable
File Size: 13.56 MB
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510169
Caption: The Legion of Honor, a French order established by Napoleon Bonaparte, is the highest decoration in France and is divided into five various degrees: Chevalier (Knight), Officier (Officer), Commandeur (Commander), Grand Officier (Grand Officer) and Grand'Croix (Grand Cross)
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 14.63 MB
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512281
Caption: Physical map of the state of Mississippi showing rivers, dams and other features
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 29.25 MB
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514161
Caption: People sitting around skull table with missiles
Artist: Janusz Kapusta
Release: Not Applicable
File Size: 41.69 MB
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517023
Caption: Large army boot stepping over globe
Artist: Doriano Solinas
Release: Not Applicable
File Size: 50.19 MB
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124502
Caption: Sailboat with heart shaped sails
Artist: Dave Cutler
Release: Not Applicable
File Size: 19.07 MB
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512391
Caption: Physical map of the state of Pennsylvania showing mountains and other features
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 29.61 MB
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10567
Caption: Man holding spear and American flag shield
Artist: Todd Davidson
Release: Not Applicable
File Size: 69.78 MB
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10332
Caption: Illustration of soldier, fighter jet and navy ship
Artist: David Ridley
Release: Not Applicable
File Size: 60.86 MB
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508758
Caption: Businessmen in a row with shopping cart icons
Artist: David Christensen
Release: Not Applicable
File Size: 51.10 MB