The contract is to build six new helicopters for the White House's fleet.
Sikorsky-Boeing officials said the new aircraft design will be capable of flying at speeds of more than 200 knots.
It's not clear what caused the aircraft to go down.
A man claiming to be "security" for Marine One used bogus credentials to bypass two security checkpoints.
Gen. Shen Yi-ming was responsible for overseeing the self-governing island's defense against China.
The crew of an MH-65 Dolphin helicopter from Air Station Atlantic City rendezvoused with the ship and winched the man.
The U.S. Air Force has officially named its new MH-139 helicopter, set to replace its UH-1N Huey.
The Marine Corps has resolved engine problems that have plagued its new fleet of heavy-lift helicopters.
CW2 Kirk Fuchigami Jr. was one of two Army pilots killed in the Nov. 20 crash.
Chief Warrant Officer 2 David C. Knadle was killed last month when his attack helicopter crashed in eastern Afghanistan.