RACCOON (Balloon) - In preparation

Race to the Stratosphere (Book) - In preparation

Radar Reflector - In preparation

RAM (Program)

RAVEN Industries Inc.

Reaction Wheel or Fly Wheel - In preparation

RED BULL STRATOS (Project) - In preparation

REGIPA, Robert - In preparation

Relay Station - In preparation

ROBERT, Brothers - In preparation

ROBERTSON, Etienne (1763 - 1837) - In preparation

Rockoon - In preparation

ROSEN, James M. - In preparation

ROSS, Malcolm D. (1919 - 1985)

Rozière balloon - In preparation

RUSSIA - Balloon program - In preparation

RUssian-Nippon JOint Balloon Experiment (RUNJOB) - In preparation

RYAN, Craig - In preparation