Continental Air Forces
Most of the CAF airfields that had not been distributed to other commands when SAC activated were subsequently transferred to Air Defense Command ( to which CAF's First & Fourth Air Forces were assigned on 21 March ) , Tactical Air Command ( Third Air Force ) , and Air Materiel Command between March 1946 and March 1947 . 
<triplet> Air Defense Command <subj> First <obj> has part <subj> Tactical Air Command <obj> followed by <triplet> Tactical Air Command <subj> Air Defense Command <obj> follows <subj> First <obj> has part