.1=..NASA grand challenge in atmospheric science - status of computer science issues.
.2=..Data assimilation and high performance computing.
.3=..General computational issues.
.4=..Block diagram of data assimilation system.
.5=..Comments on data assimilation software modules.
.6=..Basic optimal interpolation algorithms.
.7=..Local optimal interpolation features.
.8=..Global optimal interpolation features.
.9=..Eulerian Transport.
10=..Semi-lagrangian general circulation model - I.
11=..Semi-lagrangian general circulation model - II.
12=..Project milestones.
13=..Structure of grand challenge team.