Four people stand in front of a Blackhawk helicopter inside the Sikorsky plant.

Sikorsky President Paul Lemmo, U.S. Sen. Chris Murphy, U.S. Rep. Rosa DeLauro and Connecticut Gov. Ned Lamont were on hand to celebrate Sikorsky’s 100th anniversary and the delivery of its 5,000th Black Hawk helicopter in January. Erica E. Phillips / CT Mirror