Opinion: In this op-ed, retired Navy Capt. John Cordle shares why he chose to retire from his position as a federal worker under the current administration.

That's a problem for virtually every device with a magnetic compass, including smartphones, military vehicles and airliners. Magnetic north is moving at a rate of 34 miles per year, up from 9 ...

The military depends on where magnetic north is for navigation and parachute drops, while NASA, the Federal Aviation Administration and U.S. Forest Service also use it.

As a navigational instrument, the magnetic compass first shows up in written records in the early 1400s aboard Chinese explorer Zheng He’s ship, which sailed seven major ocean voyages.

The AN/PED-1 Lightweight Laser Designator Rangefinder (LLDR) is a man-portable, modular target locator and laser designation system. The primary components are the Target Locator Module and the ...

Using a compass is an essential skill. It’s like having a mental roll of duct tape: You don’t know when you’re going to use it, and it might kick around unused for a long time, but when you ...

The magnetic compass always points toward “true north,” based on the Earth’s gravitational field. It’s a relatively unchanging constant that the ship can reliably steer by.