The U.S. Navy and U.S. Air Force will conduct “a collaborative salute” with a flyover above cities in New York, New Jersey and Pennsylvania on Tuesday. In this 2015 photo the U.S. Navy Blue Angels do a flyover at the Arnold Palmer Invitational golf tournament in Orlando, Fla.

The U.S. Navy and U.S. Air Force will conduct "a collaborative salute" with a flyover above cities in New York, New Jersey and Pennsylvania on Tuesday. In this 2015 photo the U.S. Navy Blue Angels do a flyover at the Arnold Palmer Invitational golf tournament in Orlando, Fla.

The U.S. Navy and U.S. Air Force will conduct “a collaborative salute” with a flyover above cities in New York, New Jersey and Pennsylvania on Tuesday. In this 2015 photo the U.S. Navy Blue Angels do a flyover at the Arnold Palmer Invitational golf tournament in Orlando, Fla.

The U.S. Navy and U.S. Air Force will conduct “a collaborative salute” with a flyover above cities in New York, New Jersey and Pennsylvania on Tuesday. In this 2015 photo the U.S. Navy Blue Angels do a flyover at the Arnold Palmer Invitational golf tournament in Orlando, Fla.