[Can't get started. Could someone tell me these?]
1ac]Sending orders, head off for position.[10]
??????A???
12d] The country club rep is a criminal.[3,7]
?E? / ???????
1 dn: Chest pain (4) R-C-
Presumably RACK, with the 'chest' from 'rack of lamb', though that's not really its chest (surely the ST isn't using the Urban dictionary ?!)