Military facilities

French President Emmanuel Macron, visits soldiers of Operation Barkhane, France's largest overseas military operation, in Gao, Northern Mali, Friday, May 19, 2017. On his first official trip outside Europe, new French President Emmanuel Macron is highlighting his determination to crush extremism with a visit to French-led military forces combating jihadist groups in West Africa. (Christophe Petit Tesson, Pool via AP)

French President Emmanuel Macron, center right, and Mali's President Ibrahim Boubacar Keita, right, review troops as they visit soldiers of Operation Barkhane, France's largest overseas military operation, in Gao, Northern Mali, Friday, May 19, 2017. On his first official trip outside Europe, new French President Emmanuel Macron is highlighting his determination to crush extremism with a visit to French-led military forces combating jihadist groups in West Africa. (Christophe Petit Tesson, Pool via AP)

FILE - In this undated file photo provided by the U.S. Army, Pfc. Chelsea Manning poses for a photo wearing a wig and lipstick. Manning, the transgender soldier convicted in 2013 of illegally disclosing classified government information, will remain on active duty in a special status after her scheduled release from prison Wednesday, May 17, 2017. (U.S. Army via AP, File)

FILE - In this undated file photo provided by the U.S. Army, Pfc. Chelsea Manning poses for a photo wearing a wig and lipstick. Manning, the transgender soldier convicted in 2013 of illegally disclosing classified government information, will remain on active duty in a special status after her scheduled release from prison Wednesday, May 17, 2017. (U.S. Army via AP, File)

FILE - In this undated file photo provided by the U.S. Army, Pfc. Chelsea Manning poses for a photo wearing a wig and lipstick. Manning, the transgender soldier convicted in 2013 of illegally disclosing classified government information, will remain on active duty in a special status after her scheduled release from prison Wednesday, May 17, 2017. (U.S. Army via AP, File)

French President Emmanuel Macron greets veterans at the the Unknown Soldier's tomb under the Arc de Triomphe after his formal inauguration ceremony as French President Sunday, May 14, 2017 in Paris. Macron was inaugurated as France's new president at the Elysee Palace in Paris, and immediately launched into his mission to shake up French politics, world economics and the European Union. (Alain Jocard, Pool via AP)

Pope Francis prays at the Sanctuary of Our Lady of Fatima Friday, May 12, 2017, in Fatima, Portugal. Pope Francis will canonize on Saturday two poor, illiterate shepherd children whose visions of the Virgin Mary 100 years ago marked one of the most important events of the 20th-century Catholic Church. (AP Photo/Alessandra Tarantino)

The French stealth frigate Courbet is docked at Naval Base Guam on Thursday, May 11, 2017 near Hagatna, Guam. Military personnel from the United States, Japan, France and the United Kingdom are gathering in the remote U.S. Pacific islands of Guam and Tinian. The exercises come at a time of regional tensions in the South China Sea and North Korea. (AP Photo/Haven Daley)

FILE - In this May 6, 1937 file photo, the German dirigible Hindenburg crashes to earth in flames after exploding at the U.S. Naval Station in Lakehurst, N.J. Only one person is left of the 62 passengers and crew who survived when the Hindenburg burst into flames 80 years ago Saturday, May 6, 2017. Werner Doehner was 8 years old when he boarded the zeppelin with his parents and older siblings after their vacation to Germany in 1937. The 88-year-old now living in Parachute, Colo., tells The Associated Press that the airship pitched as it tried to land in New Jersey and that "suddenly the air was on fire." (AP Photo/Murray Becker, File)

In this photo taken April 19, 2017, Andrew Traver, director of the Naval Criminal Investigative Service (NCIS) speaks during an interview at Marine Corps Base Quantico, in Quantico, Va. In an office at the Marines’ Quantico base outside Washington, about 20 investigators sit elbow to elbow, staring into their computers as images of naked men and women flash across the screens. The objective of all this disturbing sleuth work is to root out the depths of a nude-photo sharing scandal that has rocked the Corps, embarrassed its leaders and spread to other military services. And the sheer weight of the objectionable material is daunting. (AP Photo/Carolyn Kaster)