181204-N-NZ491-001 VIRGINIA BEACH, Va. (Apr. 12, 2018) Construction Battalion Maintenance Unit 202 (CBMU) Builder 1st Class Tyrone Huffin, from Paterson, New Jersey, explains how surveying equipment is used on a construction site to a group of Navy Junior Reserve Officer Training Corps (JROTC) students from Stafford High School, Virginia. Sailors from CBMU 202 showed the students how Seabees provide a wide range of military construction including roads, bridges, bunkers, airfields and logistics bases in support of Navy Expeditionary Combat Command missions throughout the world. (U.S. Navy photo by Mass Communication Specialist Third Class Lisa Reese/Released)