TRAVIS AIR FORCE BASE, Calif. -- Master Sergeant Andrea Johnson, medical administrator, 349th Aeromedical Evacuation Squadron, mentors Senior Airman Emmanuel Herrera, 349th Maintenance Squadron during a communication and feedback session at the Bringing on Leadership Development class held here at Travis on Nov. 1, 2013. (U.S. Aiir Force photo / Senior Airman Amelia Leonard)