lane n. an area of expertise or (military) responsibility; a mandate. Etymological Note: As explained in the comments, this usage is probably an extension of the idea of a shooting lane, where each shooter must keep fire within a long track. Perhaps...
chalk n. the personnel and equipment that make up the load of an aircraft. Editorial Note: Almost certainly an extension of a chalk as a record-keeping mark, which dates at least 400 years. (source: Double-Tongued Dictionary)
backdoor draft n. extension of military enlistments through stop-loss orders, which force personnel to involuntarily extend their tours of duty. (source: Double-Tongued Dictionary)
plusing n.— «The agency will be marked, he said, “by what Disney called ‘plusing.’ When a client comes to us he will have certain expectations. If we ‘plus’ that, when he leaves he will say, ‘Boy, I got more from that than I thought...