Military leadership

Acting Defense Secretary Patrick Shanahan, left, and Joint Chiefs Chairman Gen. Joseph Dunford, arrive to testify at a Senate Appropriations subcommittee hearing on the defense budget, Wednesday May 8, 2019, on Capitol Hill in Washington. (AP Photo/Jacquelyn Martin)

Acting Defense Secretary Patrick Shanahan, left, speaks with troops near McAllen, Texas, about the military’s role in support of the Department of Homeland Security’s effort to secure the Southwest border. At right is Kevin McAleenan, acting DHS secretary. (AP Photo/Robert Burns)

People watch a TV showing a file footage of North Korea's missile launch during a news program at the Seoul Railway Station in Seoul, South Korea, Saturday, May 4, 2019. North Korea on Saturday fired several unidentified short-range projectiles into the sea off its eastern coast, the South Korean Joint Chiefs of Staff said, a likely sign of Pyongyang's growing frustration at stalled diplomatic talks with Washington meant to provide coveted sanctions relief in return for nuclear disarmament. The signs read: " North Korea fired short-range missiles." (AP Photo/Ahn Young-joon)

Acting Defense Secretary Patrick Shanahan listens, Wednesday May 1, 2019, during a House Appropriations subcommittee on budget hearing on Capitol Hill in Washington. (AP Photo/Jacquelyn Martin)

FILE - In this March 6, 2019, file photo, Sen. Kirsten Gillibrand, D-N.Y., the ranking member of the Senate Armed Services Subcommittee on Personnel, speaks during a hearing about prevention and response to sexual assault in the military, on Capitol Hill in Washington. Reports of military sexual assaults jumped by 13% last year, but an anonymous survey of service members released Thursday suggests the problem is vastly larger. The survey number is about 37% higher than two years ago, when one was last done, fueling frustration within the department and outrage on Capitol Hill. "I am tired of the statement I get over and over from the chain of command: 'We got this, madam, we got this.' You don't have it!" Gillibrand, shouted during a Senate Armed Services Committee confirmation hearing Thursday for Army Gen. James McConville. "You're failing us." (AP Photo/J. Scott Applewhite, File)

FILE - In this Thursday, Oct. 4, 2018 file photo, Britain's Defence Minister Gavin Williamson stands in the main chamber during a gathering of NATO defence ministers at NATO headquarters in Brussels. British Defense Secretary Gavin Williamson has been fired Wednesday, May 1, 2019 after an investigation into leaks from a secret government meeting about Chinese telecoms firm Huawei. Prime Minister Theresa May's office says May has "lost confidence" in Williamson. (AP Photo/Francisco Seco, file)

FILE - In this Tuesday, April 2, 2019 file photo, Britain's Defence Secretary Gavin Williamson arrives for a cabinet meeting in 10 Downing Street, London. British Defense Secretary Gavin Williamson has been fired Wednesday, May 1 after an investigation into leaks from a secret government meeting about Chinese telecoms firm Huawei. Prime Minister Theresa May's office says May has "lost confidence" in Williamson. (AP Photo/Matt Dunham)

FILE - In this June 19, 2017 file photo, French President Emmanuel Macron, meets with Gen. Tod Wolters, while visiting the Paris Air Show in Le Bourget, north of Paris. At ceremonies Thursday in Germany and Friday in Belgium, Air Force Gen. Tod Wolters will take over for Army Gen. Curtis Scaparrotti as head of U.S. European Command and as NATO’s Supreme Allied Commander Europe. Scaparrotti is retiring. (AP Photo/Michel Euler, Pool)

Acting Defense Secretary Patrick Shanahan speaks with reporters before an arrival ceremony for Japan's Defense Minister Takeshi Iwaya at the Pentagon, Friday, April 19, 2019, in Washington. (AP Photo/Patrick Semansky)

Fireworks launched by opponents of Venezuela's President Nicolas Maduro land near Bolivarian National Guard armored vehicles loyal to Maduro, during an attempted military uprising in Caracas, Venezuela, Tuesday, April 30, 2019. Opposition leader Juan Guaido took to the streets with a small contingent of heavily armed troops in a call for the military to rise up. (AP Photo/Ariana Cubillos)