While I agree putting all your eggs in Van Zant's basket might not be the best idea, here's the slight adjustments I would do :
ARIADNA
──────────────────────────────────────────────────
GROUP 1 


10

0

0
PARA-COMMANDO Paramedic (MediKit) Rifle / Pistol, Knife. (
24)
PARA-COMMANDO HMG / Pistol, Knife. (1 |
32)
PARA-COMMANDO HMG / Pistol, Knife. (1 |
32)
VAN ZANT Lieutenant AP Rifle, Light Shotgun / Pistol,
AP CCW. (
42)
S.A.S. Chain Rifle, Grenades / Assault Pistol,
AP CCW. (
23)
TANKHUNTER Autocannon, D-Charges / Pistol, Knife. (1.5 |
40)
FOXTROT (Forward Observer) Rifle, Antipersonnel Mines / Pistol, Knife. (
20)
FOXTROT Rifle, Light Grenade Launcher / Pistol, Knife. (1 |
21)
CHASSEUR Rifle, Adhesive Launcher, D-Charges / Pistol, Knife. (0.5 |
19)
TANKHUNTER AP HMG, D-Charges / Pistol, Knife. (1.5 |
40)
GROUP 2 


1

0

0
VOLUNTEER Chain Rifle, Light Shotgun / Pistol, Knife. (
6)
6.5 SWC | 299 Points
Open with Army 4
Remove a foxtrot and upgrade that second Tankhunter.
Keep the chain rifle volunteer as an
ARO buddy and upgrade the rifle foxtrot to Foward observer to eat the last points.
Or forget about the upgrade to the foxtrot and just add a warcor
ARO buddy
ARIADNA
──────────────────────────────────────────────────
GROUP 1 


10

0

0
PARA-COMMANDO Paramedic (MediKit) Rifle / Pistol, Knife. (
24)
PARA-COMMANDO HMG / Pistol, Knife. (1 |
32)
PARA-COMMANDO HMG / Pistol, Knife. (1 |
32)
VAN ZANT Lieutenant AP Rifle, Light Shotgun / Pistol,
AP CCW. (
42)
S.A.S. Chain Rifle, Grenades / Assault Pistol,
AP CCW. (
23)
TANKHUNTER Autocannon, D-Charges / Pistol, Knife. (1.5 |
40)
FOXTROT Rifle, Antipersonnel Mines / Pistol, Knife. (
17)
FOXTROT Rifle, Light Grenade Launcher / Pistol, Knife. (1 |
21)
CHASSEUR Rifle, Adhesive Launcher, D-Charges / Pistol, Knife. (0.5 |
19)
TANKHUNTER AP HMG, D-Charges / Pistol, Knife. (1.5 |
40)
GROUP 2 


1

1

0
VOLUNTEER Chain Rifle, Light Shotgun / Pistol, Knife. (
6)
WARCOR Flash Pulse / Stun Pistol, Knife. (
3)
6.5 SWC | 299 Points
Open with Army 4