The printed version of the 2011 Air Force Professional Development Guide will be delayed until late December, but you should not use that as an excuse to forgo preparation for upcoming promotion cycles. Promotion cycles, including the upcoming 12E8 senior master sergeant promotion cycle Dec. 5-16, will not be affected by the distribution delay, according to a press release from Air Force Personnel, Services and Manpower Public Affairs. Airmen are  encouraged to download a digital version of the guide at the Air Force e-publishing website . The digital version has been available since April and meets the service’s requirement for…