Simplify the following text for a Grade 7 native English-speaking person.
Original: The original name for Fatah 's armed wing was al-Assifa ( The Storm ) , and this was also the name Fatah first used in its communiques , trying for some time to conceal its identity . This name has since been applied more generally to Fatah armed forces , and does not correspond to a single unit today .
Simplified: Leaders of Fatah have said they did not create the brigades , or make them the military of Fatah .