The historical and strategic importance of the territories of the State of Portuguese India, and aspects related to the effort to defend them.
| Release Date | January 1, 1959 | |
|---|---|---|
| Status | Released | |
| Original Title | Sentinelas do Mar | |
| Runtime | 19min | |
| Budget | — | |
| Revenue | — | |
| Language | Portuguese | |
| Original Language | Portuguese | |
| Production Countries | Portugal | |
| Production Companies | ||