Requests for research, development and engineering (R, D&E) efforts. 

 - [Washington, D.C.,  19--?]. 
 - v. 
<br/><br/> CRDP Program Historic Shelflist record. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aeronautics--United States.
<br/><br/><label>Gov. Doc. Class. No.: </label>TD 4.8/2:9550.3