Dimpled VS skin using a combination of pneumatic squeezer, hand squeezer, and a DRDT-2. Dimpled internal VS structure to accept skins and A426AD3 flush rivets. Dimpled rear spar to match the earlier countersunk rear spar doubler. Riveted rudder attach hinges and rear spar doubler to rear spar with rivets called out on 06-04
Dimpling internal VS structure with pneumatic squeezer.
