боцманська альтанка
bosun's chair (bo's'n's chair)
staging area / staging zone
boatswain ['bəus(ə)n] (bosun)
chair force
chair flight
rope boatswain's chair
intermediate staging base
reception, staging, onward movement and integration (RSOI / RSOM&I)
staging
theater staging area
collecting and staging unit
casualty staging unit
forward staging area