Growing readiness woes: Only 7 in 10 Air Force planes are ready to fly
By: Stephen Losey, April 2, 2017
On March 22, as North Korean dictator Kim Jong Un prepared to test-launch a missile and tensions rose on the volatile Korean peninsula, a lone B-1B Lancer bomber took off from Andersen Air Force Base in Guam and flew across the Pacific on a Continuous Bomber Presence sortie.
It rendezvoused with Japanese F-15J Eagles for a training mission, before flying on to South Korea to further train with their F-15Ks and F-16s.
https://www.airforcetimes.com/articles/growing-readiness-woes-only-7-in-10-air-force-planes-are-ready-to-fly