MTP020:                                                                       
                                                                              
two navigation images not acquired due to SSMM recovery activities:           
                                                                              
          <block ref='MWNV'>                                                  
            <startTime>2015-09-19T09:28:09</startTime>                        
            <endTime>2015-09-19T10:38:09</endTime>                            
            <metadata>                                                        
              <mntBlockNumber>3573</mntBlockNumber>                           
            </metadata>                                                       
          </block>                                                            
                                                                              
          <block ref='MNAV'>                                                  
            <startTime>2015-09-19T14:29:44</startTime>                        
            <endTime>2015-09-19T14:59:44</endTime>                            
            <metadata>                                                        
              <mntBlockNumber>3574</mntBlockNumber>                           
            </metadata>                                                       
          </block>                                                            
                                                                              
45 context images from 2015-09-19 to 2015-09-22 (all in VSTP143) not acquired 
due to SSMM recovery acivities