This file is indexed.

/usr/share/games/openssn/data/ships2.dat is in openssn-data 1.4-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

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0 2 1 5 200 0 150000 160000 75.0 
1 3 0 20 0 90 161000 169000 115.0 Convoy
1 4 0 20 0 90 161000 170000 115.0 Convoy
1 4 0 20 0 90 162000 169000 115.0 Convoy
1 3 0 20 0 90 162000 170000 115.0 Convoy
1 3 0 20 0 90 163000 169000 115.0 Convoy
1 4 0 20 0 90 163000 170000 115.0 Convoy