18a. On reaching it, youll never come back from it(5,2,2,6)
?o??? Of no return
20a. Air-surface attack missile initially curtsiled(4) ?s??
28a.on return...... There is none(2,8) no. ???e?r??
21/24a. Do something as well you may tell.(4,1,4) make a? ???
Many thanks