U.S. Army Sgt. Jeremy Keenan, a Troy, N.Y. native, rolls the "Shadow" out of the hangar to its flightline at Forward Operating Base Warhorse, Iraq. Keenan serves with A Company, 3rd Special Troops Battalion, 4th Infantry Division. U.S. Army photo by Staff Sgt. Mark Wojciechowski Unmanned Shadow Watches From Above By U.S. Army Staff Sgt. Mark Wojciechowski / 133rd Mobile Public Affairs Detachment BAQUBAH, Iraq, Jan. 23, 2006 – Troops on the ground in Iraq face many risks - the insurgents and anti-Iraqi forces are devious when it comes to placing improvised explosive devices and hiding weapons caches....