WEST PALM BEACH, FL—Sikorsky Aircraft has announced that the maiden flights of two of its fully assembled HH-60W combat rescue helicopters are expected to happen before June at its development flight center here.

INDIANAPOLIS—Rolls-Royce Corp. announced Monday that it is kicking off a year-long campaign in pursuit of a contract to build hundreds of engines for U.S. Air Force bombers worth an estimated $1 billion that would bring 150 high-tech jobs here.