Air Force Chief of Staff Gen. David L. Goldfein visits with Airmen at JBSA-Lackland, Texas, Jan. 4, 2020. Goldfein met with Airmen from the 37th Training Wing at Joint Base San Antonio-Lackland and visited other Air Force bases with Airmen who stand watch 24-7, 365 to show appreciation for their efforts, sacrifice and to recognize and increase awareness of this vital mission.