French troops render a salute to Maj. Gen. Philippe Montocchio, commander of French Forces in Djibouti, during the Bastille Day ceremony at the French base in Djibouti, July 14, 2016. Bastille Day, or French National Day, commemorates the unity of French people at the Fete de la Federation of 1790, a celebration in which French celebrated their unity during the Revolution. France established its presence in Djibouti (then called Protectorate of Obock) in the 1880s. (U.S. Air Force photo by Staff Sgt. Benjamin Raughton/Released)

French troops render a salute to senior officers, left, during the Bastille Day ceremony at the French base in Djibouti, July 14, 2016. Also commonly referred to as French National Day, Bastille Day is an annual celebration of French unity that began one year after the storming of the Bastille in 1789. France established its presence in Djibouti (then called the Protectorate of Obock) in the 1880s. (U.S. Air Force photo by Staff Sgt. Benjamin Raughton/Released)

U.S. Navy Rear Adm. William W. Wheeler, Combined Joint Task Force-Horn of Africa vice commander, left, watches a French military parade in commemoration of Bastille Day (also commonly referred to as French National Day) at the French base in Djibouti, July 14, 2016. The Honorable Tom Kelly, U.S. Ambassador to Djibouti, as well as military members from Italy, Japan and others attended the ceremony. (U.S. Air Force photo by Staff Sgt. Benjamin Raughton/Released)

A French senior enlisted leader holds an awards display during a Bastille Day ceremony on the French base in Djibouti, July 14, 2016. Also commonly referred to as French National Day, Bastille Day is an annual celebration of French unity that began one year after the storming of the Bastille in 1789. France established its presence in Djibouti (then called the Protectorate of Obock) in the 1880s. (U.S. Air Force photo by Staff Sgt. Benjamin Raughton/Released)

French Ambassador to Djibouti Christophe Guilhou, center, watches a C-160 Transall fly overhead at the Bastille Day Ceremony on the French base in Djibouti, July 14, 2016. The C-160 flyover was accompanied by two French 2000-5 Mirages. Also commonly referred to as French National Day, Bastille Day is an annual celebration of French unity that began one year after the storming of the Bastille in 1789. France established its presence in Djibouti (then called Protectorate of Obock) in the 1880s. (U.S. Air Force photo by Staff Sgt. Benjamin Raughton/Released)

French forces parade troops and military vehicles during the Bastille Day ceremony at the French base in Djibouti, July 14, 2016. Armored vehicles, fire trucks and helicopters were on display and the event concluded with a C-160 Transall flyover.(U.S. Air Force photo by Staff Sgt. Benjamin Raughton/Released)