Retirement party with presentations for Tech. Sgt. Jackson Hearing Published Feb. 2, 2011 VANCE AIR FORCE BASE, Okla. -- Congratulations and good luck on your retirement Tech. Sgt. Jackson Hearing. Thank you for your service. Time in service: 20 years Retirement party: 3:30 p.m., Friday, Feb. 4, at the Vance Collocated Club. All are invited. For more information, call 213-7269.