For the analysis of the general environment UDEGA can use Porter's 5 competitive forces analysis. 

For the analysis of the external environment UDEGA can use Porter's value chain analysis. 

The analysis of the specific environment would be part of the internal analysis.

Government support for the aerospace and aeronautics industry in general or for the military would be part of the political environment and would represent an opportunity for UDEGA.

Competition analysis would be part of the  specific environment analysis.

For the analysis of the general environment UDEGA can use the PESTEL approach.