Walter Sierra

Overview Of What Happened In Past Month

by Walter Sierra
August 5, 2021October 14, 2021

Hello again, everyone. My apologies, it has been two months since my last blog. To better serve you, I have been busy setting up my… Read More »Overview Of What Happened In Past Month

Walter Sierra Blog

by Walter Sierra
June 2, 2021November 17, 2021

Welcome to my blog. The aerospace and defense sector worldwide is in the midst of rapid change from an oligopoly traditionally dominated by a few… Read More »Walter Sierra Blog