Orbital Pegasus - Manual (Page 53)

Release 7.0 Apr 2010 42
Pegasus User’s Guide
They provide the necessary continuity throughout
each phase of the integration process from initial
mission planning through launch operations. The
team is responsible for documenting and ensuring
the implementation of all mission requirements via
the payload to Pegasus ICD.
6.2.2. Integration Meetings
Two major types of meetings are used to
accommodate the free flow of information between
the mission teams. The Technical Interchange
Meeting (TIM) is traditionally reserved for
discussions focusing on a single technical subject
or issue. While TIMs tend to focus on technical
and engineering aspects of the mission, they may
also deal with processing and operations issues
as well. They are typically held via telecon to
accommodate multiple discussion opportunities
and/or quick reaction. TIM discussions facilitate
the mission team decision process necessary to
efficiently and effectively implement mission
requirements. They are also used to react to an
anomalous or unpredicted event. In either case,
the results of the TIM discussions are presented in
the MIWG meetings. The MIWG provides a forum
to facilitate the communication and coordination of
mission requirements and planning. MIWGs are
usually held in a meeting environment to
accommodate discussion and review of multiple
subjects and face-to-face resolution of issues.
Pre-established agendas will be used to ensure
that all appropriate discussion items are
addressed at the MIWG. Launch Operations
Working Groups (LOWGs), Ground Operations
Working Groups (GOWGs), Range Working
Groups (RWGs), and Safety Working Groups
(SWGs) are all subsets of the MIWG process.
Results of the MIWGs are published to provide
historical reference as well as track action items
generated by the mission teams. The number and
types of MIWGs varies based on the mission-
unique requirements. Figure 6-2 summarizes the
typical working group meetings.
Figure 6-2. Summary of Typical Working
Groups
6.2.3. Readiness Reviews
Each mission integration effort contains a series of
readiness reviews to provide the oversight and
coordination of mission participants and
management. Each readiness review ensures all
organizations are in a position to proceed to the
next major milestone. At a minimum, two
readiness reviews are baselined into the
integration process: 1) the Mission Readiness
Review (MRR); and 2) the Launch Readiness
Review (LRR). The MRR is typically held 1 to 2
weeks prior to shipping the spacecraft to the
integration facility. The MRR provides a pre-
launch assessment of the launch vehicle,
spacecraft, facilities, and range readiness for
supporting the integration and launch effort. The
LRR is typically conducted 1 to 3 days prior to
launch. The LRR serves as the final assessment
of all organizations and systems readiness prior to