 Complete the following phrase:  From 1971 to 1987, VA-86 was again assigned to CVW-8. In late spring of 1972, VA-86 was forced to transition to the A-7C due to unexpected problems with the A-7Es TF-41 engines. The squadron then deployed from June 1972 to March 1973 aboard USS America for a ten-month combat cruise, participating in several intense and lengthy bombing campaigns, including Operation Linebacker and 