Sailors on the aircraft carrier Abraham Lincoln opened a time capsule of sorts last month and didn’t know it. While performing work connected to the refueling and complex overhaul Lincoln is undergoing at Virginia’s Newport News Shipbuilding, sailors assigned to the ship’s combat systems department found the signatures of two sailors on the carrier’s original deck plates while they were removing tiles. The plankowners made their marks less than a year after the ship’s 1989 commissioning. A picture of the signatures went up on the ship’s official Facebook page shortly after the Oct. 23 find. In a social media success…