I was watching Generation Kill and the Lt. raised his sniper on the radio with 'Hitman 2-2 Echo 5 Romeo'. Why is there an additional 'E5R' after the callsign and what does
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Generation Kill: Devil Dogs, Ice Man, Captain America, and the New Face of American War: 9780425224748: Wright, Evan: Books - Amazon.com
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Generation Kill" A Burning Dog (TV Episode 2008) - Mike Figueroa as Sgt. Leandro 'Shady B' Baptista - IMDb
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Generation Kill" Stay Frosty (TV Episode 2008) - Rich McDonald as Cpl. Anthony 'Manimal' Jacks - IMDb
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Amazon.com: Generation Kill: Devil Dogs, Ice Man, Captain America, and the New Face of American War: 9780425224748: Wright, Evan: Books
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