Definitions for "Gruppe"
Keywords:  luftwaffe, basic, combat, group, unit
Group, basic Luftwaffe command unit (pl. Gruppen)
group (pl. Gruppen) --the basic Luftwaffe combat and administrative unit.
Keywords:  staffeln, raf, flight, aircraft, wing
An operational unit similar to an RAF Wing. Normally comprised three Staffeln and a Staff flight with a total establishment of 30 aircraft. Abbreviated I/KG 55 etc.
a union of the companies, projects and people brought together in the common effort to innovation