Thanks, Whetstone, I was sure you must have seen that before!
14. A Ranker is an officer (who has ascended from the ranks, ordinary soldiers) and Rank is offensive, smelly, say, so Ranker is more offensive.
21 Send - transport, thrill, delight etc (quite old-fashined) so A Send is A Thrill, with C, Charlie, Nato alphabet, inside. Ascend, get highers.