Home articles 155mm Projectile in Flight 155mm Projectile in FlightThis photo of a 155mm projectile with base bleed taken at Alkantpan shows the streamlining obtained by basebleed taking up the vacuum and resolving drag.Excellent photography! Post Views: 139 RELATED ARTICLESMORE FROM AUTHORMaj Gen Phil Pretorius (Ret) celebrating 90 yearsRetirement Function for a Senior Gunner Brig Gen CC LaubscherThe Reserve Force Volunteer Magazine Summer 2021 PublicationsThe Reserve Force Volunteer Magazine Summer 2021 Corne Grundlingh - Jan 12, 2021School of Artillery Newsletter Corne Grundlingh - Dec 18, 2020