3645 PTW/3646PTW

3645 PTG - 1 May 52 to 15 Jul 63 (CREW TRNG)

3645 PTW - 15 Jul 63 to 1 Sep 72

3645 PTS - May 62 to 1 Sep 72

Changed to 85 FTS

3646 PTS - May 62 to 1 Sep 72

16 Oc t 1961 - 3645 PTW activated and 1/2 of Laredo's mission is transferred.

15 Feb 1962 - 3645 PTW redesignated 3646 PTW