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The guided-missile destroyer USS John S. McCain (foreground), seen with a hole on its portside after a collision with a tanker, docks next to the USS America (behind) at Changi naval base in Singapore on August 22, 2017.
The US Navy announced a fleet-wide global investigation after the latest in a series of warship accidents left 10 sailors missing and five injured. Chief of Naval Operations Admiral John Richardson ordered commanders within a week to set aside time, perhaps "one or two days", for crews to sit down together after the destroyer USS John S. McCain collided with a tanker off Singapore early on August 21. / AFP PHOTO / Roslan RAHMAN        (Photo credit should read ROSLAN RAHMAN/AFP/Getty Images)
The guided-missile destroyer USS John S. McCain (foreground), seen with a hole on its portside after a collision with a tanker, docks next to the USS America (behind) at Changi naval base in Singapore on August 22, 2017.
The US Navy announced a fleet-wide global investigation after the latest in a series of warship accidents left 10 sailors missing and five injured. Chief of Naval Operations Admiral John Richardson ordered commanders within a week to set aside time, perhaps "one or two days", for crews to sit down together after the destroyer USS John S. McCain collided with a tanker off Singapore early on August 21. / AFP PHOTO / Roslan RAHMAN        (Photo credit should read ROSLAN RAHMAN/AFP/Getty Images)

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US military facing readiness crisis warnings

Military leaders, Congress and government watchdogs have all warned for years that the military faces a possible readiness crisis as it has slashed training and maintenance to keep up with budget cuts and increased operations around the globe. CNN's Dianne Gallagher has more.

US military facing readiness crisis warnings

Military leaders, Congress and government watchdogs have all warned for years that the military faces a possible readiness crisis as it has slashed training and maintenance to keep up with budget cuts and increased operations around the globe. CNN's Dianne Gallagher has more.