STS-133 Mission Priorities (Source: NASA)

• Dock Shuttle Flight ULF5 to PMA-2 port and perform mandatory crew safety briefing for all crewmembers.
• Install EXPRESS Logistics Carrier (ELC) 4 to S3 Lower Inboard Common Attach Site (CAS) using SRMS and SSRMS.
• Install PMM to ISS Node 1 Nadir port using SSRMS.
• Transfer critical items per Flight ULF5 Transfer Priority List (TPL)

• PMM Activities
  --Perform PMM PCBM sealing surface inspection
  --Perform minimal activation and checkout to preserve the module and cargo.
• Activate ELC4
• Transfer and stow critical items per Flight ULF5 TPL.

• Complete the following EVA tasks:
  --Install J612 cable and relocate Node 3 P612
  --Relocate Pump Module from MBS POA to ESP2 and vent ammonia
  --Retrieve Light Weight Adapter Plate Assembly (LWAPA) from Columbus Nadir --External Payload Facility and install in Payload Bay.
  --Install Camera wedge at CP3.
  --Perform Port stowage beam assembly troubleshooting.
  --Install CLA Cover on Camera Light Pan-tilt Assembly (CLPA) (IVA) and install CLPA assembly on Special Purpose Dexterous Manipulator (SPDM).
  --Remove SPDM EP1 thermal cover.
  --Reinstall starboard SARJ ETRS, two rail stubs and two launch restraints, reconfigure S3 MT stop and tether Shuttle stops.
  --Perform JAXA Message in a bottle.
  
• Activate and Checkout PMM
• Activate PMM systems.
• Ingress PMM.
• Install one Portable Fire Extinguisher (PFE) and one Portable Breathing Apparatus (PBA) in PMM
• Support communication requirements (voice and video) for RSA EVA prep
  --Perform daily ISS payload status checks
  --Transfer O2 from the Orbiter to the ISS
  --Transfer N2 from the Orbiter to the ISS
  --Transfer remaining cargo items per Flight ULF5 TPL.
  
• Activate and check out compound specific analyzers-combustion products (CSA-CP)
• Install and return Radiation Area Monitors (RAM'S).
• Perform daily middeck payload activities
• Perform ISS payload research tasks.
• The following EVA tasks are deemed to fit within the existing EVA timelines; however, may be deferred if the EVA is behind schedule. The EVA will not be extended to complete these tasks:
  --Remove MLI from ELC4 ExPCA.
  --Close P1 RBVM Thermal Bootie
  --Retrieve Articulating Portable Foot Restraint (APFR) #4, relocate Tool Stanchion (TS), & remove heat shield IVA.
  --Reinstall APFR#4 on ISS external.
  --Install SSRMS LEE A Elbow CLPA lens cover.
  --Stow Vent tool extension bags 1 and 2 on Airlock
  --Retrieve jettison stowage bags
  --Install P3 CETA light.
  --Remove MLI tent from Node 3 nadir/PMA3 interface.
  --Install lens cover on POA CLA.
  --Install SPDM CLPA #2 lens cover.
  --Open Z1 RPCM MLI Flaps.
  
• Complete CP3 Camera calibration, checkout and survey after the CP3 Wedge is installed and downlink data for analysis.
• Perform IVA tasks
• Transfer water from Orbiter to ISS.
• Reboost the ISS (placeholder)
• Perform imagery survey of the ISS exterior during Orbiter fly around
• Perform checkout of ELC4.
• Perform DTO-701B (DRAGONEYE)
• Perform structural SDTOs per the MIP

In support of completion of CAT 1 Mission Objectives, the MDF consists of the following (Reference Flight Rule ULF5_C2-15):

• FD-3 - Rendezvous and Dock With ISS, and ELC4 unberth and install to S3 nadir inboard CAS
• FD-4 - OBSS unberth/handoff, Passive PMM PCBM sealing surface inspection, PMM install, and transfer mandatory and critical items per ULF5 Transfer List
• FD-5 - Focused Inspection, Minimal PMM activation, off duty, and Hatch Closure
• FD-6 - Undock, OBSS Berth, Cabin Stow, FCS Checkout, and RCS Hot Fire
• FD-7 - Deorbit