Trees for Troops Published Dec. 10, 2018 By Jessie Perkins Kirtland PA KIRTLAND AIR FORCE BASE, N.M. -- The two-day Trees for Troops event provided free Christmas trees for members of Team Kirtland. Last year the program delivered 17,400 Christmas trees to 70 U.S. military bases; 250 trees delivered to four international bases; and is in its 14th year.