May was a momentous month for manufacturing in which machinists at Pratt & Whitney went on strike and marine drafters at Electric Boat nearly went on strike.

The union representing about 3,000 workers at Pratt & Whitney plants in the Hartford and Middletown area had been on strike since May 5

About 3,000 machinists at jet engine-maker Pratt & Whitney in Connecticut have approved a new four-year contract, ending a three-week strike over wages, job security and other issues.