MTP018:

two navigation images not acquired because NAVCAM was off for SSMM repair
 activities:

          <block ref='MWNV'>
             <startTime>2015-07-02T06:03:34Z</startTime>
             <endTime>2015-07-02T07:13:34Z</endTime>
             <metadata>
                <mntBlockNumber>3177</mntBlockNumber>
             </metadata>
          </block>
          
          <block ref='MNAV'>
             <startTime>2015-07-02T11:10:00Z</startTime>
             <endTime>2015-07-02T11:40:00Z</endTime>
             <metadata>
                <mntBlockNumber>3178</mntBlockNumber>
             </metadata>
          </block>

one navigation image skipped for STR-CCD read-out activity:

          <block ref='MNAV'>
            <startTime>2015-07-06T06:42:22</startTime>
            <endTime>2015-07-06T07:12:22</endTime>
            <metadata>
              <mntBlockNumber>3197</mntBlockNumber>
            </metadata>
          </block>

one navigation image skipped because NAVCAM was power-cycled after autonomous
 reconfiguration:

          <block ref='MNAV'>
            <startTime>2015-07-11T05:55:00</startTime>
            <endTime>2015-07-11T06:25:00</endTime>
            <metadata>
              <mntBlockNumber>3222</mntBlockNumber>
            </metadata>
          </block>        

three context images not acquired because of the same anomalies:

 2015-07-02T09:27:00
 2015-07-02T13:45:00
 2015-07-11T06:47:02