DUGWAY, UT - MAY 28: A Federal Express delivery van makes a stop at the main gate of the Dugway Proving Ground on May 28, 2015 in Dugway, Utah. According to reports from the Army, it mistakenly shipped live Anthrax to several government and commercial labs in the U.S. and Korea. Dugway is a highly secure and secret military testing lab in the middle of the Utah desert. (Photo by George Frey/Getty Images
SAO PAULO, BRAZIL: Technicians at the Adolfo Lutz Institute take white powder found in a suspicious package for examination and testing for anthrax contamination, 24 October 2001 at the institute in Sao Paulo. The laboratory of the institute has interrupted all other regular activities because of the huge volume of suspicious packages and letters it must examine each day. AFP PHOTO/Mauricio LIMA (Photo credit should read MAURICIO LIMA/AFP/Getty Images)
A picture of Iran's supreme leader Ayatollah Ali Khamenei (R) adorns a military vehicle as Iraqi security forces and paramilitaries deploy, on May 26, 2015, in al-Nibaie area, north-west of Baghdad, during an operation aimed at cutting off Islamic State (IS) jihadists in Anbar province before a major offensive to retake the city of Ramadi. Iraqi forces closed in on Ramadi and launched the operation dubbed Labaik ya Hussein", which roughly translates as "We are at your service, Hussein" and refers to one of the most revered imams in Shiite Islam. It will see a mix of security forces and paramilitaries move south towards the city from Salaheddin province, said Hashed al-Shaabi ("popular mobilisation" in Arabic) spokesman Ahmed al-Assadi. AFP PHOTO/AHMAD AL-RUBAYE (Photo credit should read AHMAD AL-RUBAYE/AFP/Getty Images)
Nepalese army personel and others gather in front of a Nepalese helicopter, whose crew spotted the wreckage of a US Marine helicopter, at the army air base in Kathmandu on May 15, 2015 The US military said it expected to find no survivors after locating the wreckage of a helicopter that went missing with eight people on board in earthquake-devastated Nepal. AFP PHOTO / PRAKASH MATHEMA (Photo credit should read PRAKASH MATHEMA/AFP/Getty Images)
