Airman Kristen Costlow, a 2013 Grove City High School graduate and Grove City native, is serving aboard USS Essex, the largest of all amphibious warfare ships.

* Airman Kristen Costlow, a 2013 Grove City High School graduate and Grove City native, is serving aboard USS Essex, the largest of all amphibious warfare ships.

Costlow, 19, is an air traffic controller aboard the San Diego-based WASP-class amphibious assault ship that is nearly as long as 3 football fields at 844 feet. The principal mission of Essex is to conduct prompt, sustained operations at sea, primarily as the centerpiece and flagship of the Amphibious Ready Group.

* U.S. Air National Guard Airman 1st Class Gregory Plotner has graduated from basic military training at Joint Base San Antonio-Lackland, San Antonio.

Plotner, the son of John and Grace Plotner, is a 2013 graduate of Grove City High School.

The airman completed an intensive, eight-week program that included training in military discipline and studies, Air Force core values, physical fitness and basic warfare principles and skills.