Navy officials have identified the woman who died aboard a ship during a port stop in Spain as Lt. Kaylie Ludwig.
Other suppressors in past tests have not been able to stand up to the heat and roar produced by the 7.62mm M240.
Lt. Col. Anne McClain is one of three currently serving active-duty Army astronauts.
The return of the Nimitz is to provide security for the drawdown of troops from Afghanistan and Iraq.
Israel, long suspected of killing Iranian nuclear scientists over the last decade, has declined to comment on the attack.
Fully repairing the USS Bonhomme Richard would have reportedly cost $2.5 billion to $3 billion and take five to seven years.