1 across. Paraded remains in eg case of emerald. 8 letters.
5 across, 10 across. Foot perhaps first place navvy protects. 6 letters and 6 letters.
9 across. Conspicuous wealth being accepted by old money is extremely unusual. 8 letters.
10 across. See 5.
12 across. Spies wanting glimpse of naval vessels. 5 letters.
13 across. Game show for which 3-2-1 signifies the end?. 9 letters.
14 across. Arizona sorts out religious adherents. 12 letters.
18 across. Rod with supports catching exhausted little fish. 12 letters.
21 across. Service his car, needing repair in a flipping day. 9 letters.
23 across. One splitting bill is sound. 5 letters.
24 across, 26 across. Greyish-white colour fine in more stable older browser. 6 letters and 6 letters.
25 across. A large collection of people, seemingly asleep, voted. 8 letters.
26 across. See 24.
27 across. Present line manager ultimately not as tough. 8 letters.