Before revision: RCAF alert crew at Zweibrücken, Germany in 1956 waiting to scramble Combat readiness is a condition of the armed forces and their constituent units and formations, warships, aircraft, weapon systems or other military technology and equipment to perform during combat military operations,Kruys
After revision: , Archived from the original on November 9, 2010 on the Wayback Machine.RCAF alert crew at Zweibrücken, Germany in 1956 waiting to scramble Combat readiness is a condition of the armed forces and their constituent units and formations, warships, aircraft, weapon systems or other military technology and equipment to perform during combat military operations,Kruys