From the days when sailors peered over the deck of their ships with their spyglasses, to a time when unmanned aircraft patrol the seas, the Navy has kept watch in several notable aircraft, like the fixed-wing P-3 and P-8, and the rotary wing H-60. Unmanned systems like the MQ-9 Reaper and MQ-4C Triton also patrol the seas. Take a look at the ways the Navy and the people of NAWCAD in Patuxent River, Maryland, work together to remain vigilant and protect the sea lanes, in wartime and in peace.