The emblem included an anchor, a three-masted square-rigged ship and an eagle. The emblem was abbreviated as an “ACE,” which stands for anchor, US Constitution and eagle.

The Navy replaced rank insignias on covers with the anchor, constitution and eagle to align with the Marine Corps' working uniform, which features the eagle, globe and anchor.

The US Navy is to operationally deploy the Insitu Scan Eagle unmanned air vehicle aboard its Aegis-class cruisers and is looking at also fielding the system aboard FFG7 class frigates. The initial ...