Calibration
U. Klaas (Coordinator), J. Blommaert, D. Cesarsky, M. Groenewegen, D. Lutz, T. Müller, K. Okumura, M. Sauvage, J. Schreiber, R. Vavrek (HSC), Csaba Kiss

Commanding
H. Feuchtgruber (Coordinator), M. Benedettini, A. Contursi, D. Cesarsky, H. Dannerbauer, T. Müller, S. Pezzuto, P. Royer, B. Vandenbussche, R. Vavrek (HSC)

Interactive Analysis (IA) Development/PCSS
E. Wieprecht (Coordinator), R. Huygen, Wim De Meester, S. Osterhage, R. Ottensamer, G. Turek (NHSC), J. Vanautgaerden, B. Vandenbussche (S/W System Engineer), M. Wetzstein, E. Wiezorrek

IA Users
A. Contursi (Coordinator), S. Groth, P. Royer, E. Sturm, D. Lutz, J. Schreiber

PACS Observations Simulator
P. Andreani (Coordinator), D. Cesarsky, R. Gastaud, K. Okumura, G. Rodighiero, J. Vanautgaerden, G. Turek (NHSC)

On-Board Data Reduction
M. Groenewegen (Coordinator), J. Blommaert, P. Royer, R. Vavrek (HSC), B.Ali (NHSC) D. Cesarsky (SPU), H. Feuchtgruber (eng. contact), N. Belbachir (implementation), A. Poglitsch (advisor), B. Schulz (NHSC, observer)

AOT Design
T. Müller (Coordinator), K. Okumura (Co-Coordinator), M. Sauvage, D. Lutz, U. Klaas, H. Feuchtgruber, D. Cesarsky (CUS), R. Vavrek (HSC), B. Altieri(HSC), New Hire at NHSC ?

Electrical Ground Support Equipment (EGSE)
E. Wiezorrek (Coordinator), M. Benedettini, D. Cesarsky